%0 Journal Article %A U. G. Pirumov %T Three-dimensional subsonic and supersonic flows in nozzles and duots of variable cross-section %J Doklady Akademii Nauk %D 1972 %P 60-63 %V 203 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_203_1_a15/ %G ru %F DAN_1972_203_1_a15