@article{TMF_2000_122_1_a11,
     author = {S. P. Tsarev},
     title = {Factoring linear partial differential operators and the {Darboux} method for integrating nonlinear partial differential equations},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {144--160},
     year = {2000},
     volume = {122},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2000_122_1_a11/}
}