Filippov, V.Rodionov, A.2017-09-252017-09-251995http://revistas.pucp.edu.pe/index.php/promathematica/article/view/10193/10635application/pdfspainfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0Operadores No LinealesOn the justification of the least square method for nonpotential, nonlinear operatorsinfo:eu-repo/semantics/articlehttps://purl.org/pe-repo/ocde/ford#1.01.00