@article{ZNSL_1998_250_a2,
     author = {V. M. Babich and M. A. Lyalinov},
     title = {On the scattering of waves by an expanding surface},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {35--48},
     publisher = {mathdoc},
     volume = {250},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1998_250_a2/}
}