@article{DE_1991_27_10_a10,
     author = {T. D. Dzhuraev and Ya. Popelek},
     title = {Classification and reduction to canonical form of third-order partial differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1734--1745},
     publisher = {mathdoc},
     volume = {27},
     number = {10},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1991_27_10_a10/}
}