%0 Journal Article %A A. V. Pogorelov %T On the stability of minimal surfaces in LobachevskiÄ­ space %J Doklady Akademii Nauk %D 1997 %P 742-744 %V 354 %N 6 %U http://geodesic.mathdoc.fr/item/DAN_1997_354_6_a5/ %G ru %F DAN_1997_354_6_a5