• The borderlines of invisibility and visibility in Calderón's inverse problemAstala, Kari; Lassas, Matti; Päivärinta, LassiAnalysis and PDE2016 / p. 43 - 98 https://doi.org/10.2140/apde.2016.9.43 https://www.scopus.com/sourceid/21100242249 https://www.scopus.com/record/display.uri?eid=2-s2.0-84958760456&origin=resultslist&sort=plf-f&src=s&sid=741f751a3d10533043b019afc943a063&sot=b&sdt=b&s=DOI%2810.2140%2Fapde.2016.9.43%29&sl=32&sessionSearchId=741f751a3d10533043b019afc943a063&relpos=0 https://www.webofscience.com/wos/woscc/full-record/WOS:000377684400003
• Nonlinear Fourier analysis for discontinuous conductivities : computational resultsAstala, Kari; Päivärinta, Lassi Juhani; Reyes, Juan Manuel; Siltanen, SamuliJournal of computational physics2014 / p. 74-91 : ill