@article{ZNSL_1981_104_a7,
     author = {S. A. Vakulenko},
     title = {Justification of asymptotic formula for the solutions of perturbed {Fock{\textendash}Klein{\textendash}Gordon} equation},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {84--92},
     year = {1981},
     volume = {104},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1981_104_a7/}
}