%0 Journal Article
%A M. V. Keldysh
%A M. D. Millionshchikov
%A V. A. Kotel'nikov
%A A. V. Peive
%T Greetings to Ivan Georgievich Petrovskii on the occasion of his seventieth birthday
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1971
%P 3-4
%V 26
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1971_26_2_a0/
%G en
%F RM_1971_26_2_a0