%0 Journal Article %A I. Kh. Sabitov %T Minimal surfaces with certain boundary conditions %J Sbornik. Mathematics %D 1968 %P 357-377 %V 5 %N 3 %U http://geodesic.mathdoc.fr/item/SM_1968_5_3_a3/ %G en %F SM_1968_5_3_a3