@article{DAN_1989_307_6_a8,
     author = {\`E. K. Safiev},
     title = {Coincidence of the classical and the generalized solutions of a},
     journal = {Doklady Akademii Nauk},
     pages = {1322--1325},
     year = {1989},
     volume = {307},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_307_6_a8/}
}