%0 Journal Article %A E. I. Andriankin %A O. S. Ryzhov %T Propagation of a thermal nearly spherical wave %J Doklady Akademii Nauk %D 1957 %P 882-885 %V 115 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_115_5_a8/ %G ru %F DAN_1957_115_5_a8