%0 Journal Article
%A A. V. Bitsadze
%T Mikhail Alekseevich Lavrent'ev (on the seventieth anniversary of his birth)
%J Izvestiya. Mathematics 
%D 1970
%P 1203-1206
%V 4
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1970_4_6_a0/
%G en
%F IM2_1970_4_6_a0