%0 Journal Article %A V. I. Zubov %T Equilibrium surfaces in a magnetic field %J Differencialʹnye uravneniâ %D 1977 %P 2079-2081 %V 13 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1977_13_11_a19/ %G ru %F DE_1977_13_11_a19