@article{TMF_2009_160_1_a3,
     author = {V. G. Dubrovskii and A. V. Gramolin},
     title = {Gauge-invariant description of several $(2+1)$-dimensional integrable nonlinear evolution equations},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {35--48},
     publisher = {mathdoc},
     volume = {160},
     number = {1},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2009_160_1_a3/}
}