Voir la notice de l'article provenant de la source Math-Net.Ru
@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/} }
V. D. Tret'yakov. Normalization of surfaces by means of involution. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1971), pp. 83-89. http://geodesic.mathdoc.fr/item/IVM_1971_1_a10/