@article{DAN_1971_200_1_a1,
     author = {M. G. Gasymov},
     title = {On the theory of evolutional equations of regular type},
     journal = {Doklady Akademii Nauk},
     pages = {13--16},
     publisher = {mathdoc},
     volume = {200},
     number = {1},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_200_1_a1/}
}