%0 Journal Article %A N. Yu. Kapustin %A A. S. Makin %T Order-exact relations of anti-a-priori type between eigen- and associated functions of an elliptic operator of arbitrary order %J Differencialʹnye uravneniâ %D 1985 %P 58-65 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1985_21_1_a8/ %G ru %F DE_1985_21_1_a8