%0 Journal Article %A V. I. Gryn' %T Variational principles for the transport equation and the method of spherical harmonics %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1986 %P 1433-1434 %V 26 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1986_26_9_a18/ %G ru %F ZVMMF_1986_26_9_a18