%0 Journal Article %A Švec, Alois %T Infinitesimal rigidity of surfaces in $A^3$ %J Czechoslovak Mathematical Journal %D 1988 %P 479-485 %V 38 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1988.102244/ %R 10.21136/CMJ.1988.102244 %G en %F 10_21136_CMJ_1988_102244