%0 Journal Article
%A L. F. Fridlender
%T Analytic perturbations of self-adjoint analytic elliptic pseudodifferential operators
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1978
%P 93-95
%V 12
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1978_12_3_a22/
%G ru
%F FAA_1978_12_3_a22