@article{TMF_2003_137_1_a8,
     author = {P. G. Estevez and C. Qu},
     title = {Extended {Rotation} and {Scaling} {Groups} for {Nonlinear} {Evolution} {Equations}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {74--86},
     publisher = {mathdoc},
     volume = {137},
     number = {1},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2003_137_1_a8/}
}