%0 Journal Article %A Yu. V. Shan'ko %T Geveralized functionally-invariant nonhomogeneous wave equation %J Sibirskij žurnal industrialʹnoj matematiki %D 2013 %P 126-137 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJIM_2013_16_1_a12/ %G ru %F SJIM_2013_16_1_a12