%0 Journal Article
%A M. Artin
%T Some numerical criteria for contractability of curves on algebraic surfaces
%J Matematika
%D 1965
%P 3-14
%V 9
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAT_1965_9_3_a0/
%G ru
%F MAT_1965_9_3_a0