@article{DAN_1991_319_1_a8,
     author = {L. G. Mikhailov},
     title = {Some singular partial differential equations},
     journal = {Doklady Akademii Nauk},
     pages = {46--52},
     publisher = {mathdoc},
     volume = {319},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_319_1_a8/}
}