@article{TMF_2004_139_3_a3,
     author = {S. D. Vereshchagin and A. V. Yurov},
     title = {The {Darboux} {Transformation} and {Exactly} {Solvable} {Cosmological} {Models}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {405--422},
     publisher = {mathdoc},
     volume = {139},
     number = {3},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2004_139_3_a3/}
}