%0 Journal Article
%A S. Yu. Orevkov
%A E. I. Shustin
%T Real algebraic and pseudoholomorphic curves on the quadratic cone and smoothings of singularity~$X_{21}$
%J Algebra i analiz
%D 2016
%P 138-186
%V 28
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AA_2016_28_2_a6/
%G ru
%F AA_2016_28_2_a6