@article{ZNSL_1988_173_a8,
     author = {N. Ya. Kirpichnikova},
     title = {Calculation of successive approximations by the space-time asymptotic {Gaussian} beam method},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {104--112},
     publisher = {mathdoc},
     volume = {173},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1988_173_a8/}
}