@article{DAN_1980_250_5_a11,
     author = {S. A. Tersenov},
     title = {On the first boundary value problem for an equation of nonclassical type},
     journal = {Doklady Akademii Nauk},
     pages = {1070--1074},
     publisher = {mathdoc},
     volume = {250},
     number = {5},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_250_5_a11/}
}