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• On endomorphisms of groups of order 32 with maximal subgroups C8 x C2Puusemp, Piret; Puusemp, PeeterProceedings of the Estonian Academy of Sciences2014 / p. 355-371 https://doi.org/10.3176/proc.2014.4.01 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-84911009993&origin=inward&txGid=145ce658d7cfe77258f8f322717177c8 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000346144800001
• On endomorphisms of groups of order 32 with maximal subgroups C24 or C42Puusemp, Piret; Puusemp, PeeterProceedings of the Estonian Academy of Sciences2016 / p. 1-14 https://doi.org/10.3176/proc.2016.1.04 https://artiklid.elnet.ee/record=b2760708*est https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-84957368392&origin=inward&txGid=a0d13a9cccc09441ef0b211a57a4cdb0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000372766100001
• On endomorphisms of groups of order 36Leibak, Alar; Puusemp, PeeterProceedings of the Estonian Academy of Sciences2016 / p. 237-254 https://doi.org/10.3176/proc.2016.3.06 https://artiklid.elnet.ee/record=b2798395*est https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-84985911230&origin=inward&txGid=479114b7d6fe995ee6527d159a943ea0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000383313700005
• On endomorphisms of groups of orders 37-47Leibak, Alar; Puusemp, PeeterProceedings of the Estonian Academy of Sciences2017 / p. 137-150 https://doi.org/10.3176/proc.2017.2.04 http://www.ester.ee/record=b2355998*est https://artiklid.elnet.ee/record=b2820926*est https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-85019679041&origin=inward&txGid=026800449570bd96c425f369ec4ca249 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2017 https://www.webofscience.com/wos/woscc/full-record/WOS:000403737900003
• On the endomorphism semigroup of a multiple wreath product of groupsPuusemp, PeeterCommunications in algebra2017 / p. 247-261 https://doi.org/10.1080/00927872.2016.1206340 https://www.scopus.com/sourceid/25800 https://www.scopus.com/record/display.uri?eid=2-s2.0-84990935146&origin=inward&txGid=21b0974b62de6c80dd36128f7515b8be https://jcr.clarivate.com/jcr-jp/journal-profile?journal=COMMUN%20ALGEBRA&year=2017 https://www.webofscience.com/wos/woscc/full-record/WOS:000386155500018