%0 Journal Article %A L. I. Kamynin %A B. N. Khimchenko %T An aspect of the development of the theory of the anisotropic strict extremum principle of A.\,D.~Aleksandrov %J Differencialʹnye uravneniâ %D 1983 %P 426-437 %V 19 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_3_a6/ %G ru %F DE_1983_19_3_a6