@article{DAN_1967_176_1_a8,
     author = {G. A. Kuzik},
     title = {$t(x,y)$-quasiconformal transformations with two triplets of characteristics},
     journal = {Doklady Akademii Nauk},
     pages = {39--42},
     publisher = {mathdoc},
     volume = {176},
     number = {1},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_176_1_a8/}
}