@article{IVM_1971_1_a10,
     author = {V. D. Tret'yakov},
     title = {Normalization of surfaces by means of involution},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {83--89},
     publisher = {mathdoc},
     number = {1},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1971_1_a10/}
}