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@article{TGS_1981__13_72383, author = {{\CYRF}.{\CYRS}. {\CYRA}{\cyrh}{\cyrr}{\cyra}{\cyrr}{\cyro}{\cyrv}}, title = {{\CYRCH}{\cyra}{\cyrs}{\cyrt}{\cyrn}{\cyrery}{\cyre} {\cyrs}{\cyrl}{\cyru}{\cyrch}{\cyra}{\cyri} {\cyra}{\cyrn}{\cyra}{\cyrl}{\cyri}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrp}{\cyro}{\cyrv}{\cyre}{\cyrr}{\cyrh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyre}{\cyrishrt} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyra} {\cyrn}{\cyre}{\cyrv}{\cyrery}{\cyrr}{\cyro}{\cyrzh}{\cyrd}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {\cyrn}{\cyru}{\cyrl}{\cyrsftsn}- {\cyrp}{\cyra}{\cyrr}}, journal = {Trudy geometri\v{c}eskogo seminara}, pages = {5--11}, publisher = {mathdoc}, volume = {13}, year = {1981}, zbl = {0517.53010}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TGS_1981__13_72383/} }
Ф.С. Ахраров. Частные случаи аналитических поверхностей пространства невырожденных нуль- пар. Trudy geometričeskogo seminara, Tome 13 (1981), pp. 5-11. http://geodesic.mathdoc.fr/item/TGS_1981__13_72383/