• Transformation of nonlinear state equations into the observer form : necessary and sufficient conditions in terms of one-formsKaparin, Vadim; Kotta, ÜlleKybernetika2015 / p. 36-58 https://doi.org/10.14736/kyb-2015-1-0036 https://www.scopus.com/sourceid/24449 https://www.scopus.com/record/display.uri?eid=2-s2.0-84926658904&origin=inward&txGid=b335159601260ab38d2ae0efd6078821 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=KYBERNETIKA&year=2015 https://www.webofscience.com/wos/woscc/full-record/WOS:000353666700004