@article{DAN_1991_321_1_a10,
     author = {I. A. Lubyagin and D. A. Pozharskii and M. I. Chebakov},
     title = {Generalization of {Boussinesq} and {Cerruti} problems for the case of},
     journal = {Doklady Akademii Nauk},
     pages = {58--62},
     publisher = {mathdoc},
     volume = {321},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_321_1_a10/}
}