%0 Journal Article
%A B. V. Aleshin
%A P. I. Kuznetsov
%T On a case in the theory of $\varepsilon$-invariance of differential equations
%J Doklady Akademii Nauk
%D 1978
%P 1017-1020
%V 238
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1978_238_5_a0/
%G ru
%F DAN_1978_238_5_a0