@article{VNGU_2014_14_2_a4,
     author = {M. V. Neshchadim},
     title = {Sphere {Generalized} {Functional} {Invariant} {Solutions} of {Wave} {Equation}},
     journal = {Sibirskij \v{z}urnal \v{c}istoj i prikladnoj matematiki},
     pages = {42--48},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VNGU_2014_14_2_a4/}
}