@article{DAN_1991_316_4_a8,
     author = {V. L. Kamynin},
     title = {Asymptotic behavior of solutions of the {Cauchy} problem for},
     journal = {Doklady Akademii Nauk},
     pages = {807--811},
     publisher = {mathdoc},
     volume = {316},
     number = {4},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_316_4_a8/}
}