@article{DAN_1962_146_5_a3,
     author = {A. Dzhuraev},
     title = {The {Poincar\'e} problem for a second-order elliptic equation with singular coefficients},
     journal = {Doklady Akademii Nauk},
     pages = {995--998},
     publisher = {mathdoc},
     volume = {146},
     number = {5},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_146_5_a3/}
}