@article{DAN_1981_256_2_a3,
     author = {L. G. Mikhailov},
     title = {On a problem of conjugation of the solutions of a second-order partial differential equation on the plane},
     journal = {Doklady Akademii Nauk},
     pages = {276--281},
     publisher = {mathdoc},
     volume = {256},
     number = {2},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_256_2_a3/}
}