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@article{MS_1972__130_1_a1, author = {{\CYRV}.{\CYRA}. {\CYRI}{\cyrs}{\cyrk}{\cyro}{\cyrv}{\cyrs}{\cyrk}{\cyri}{\cyrh}}, title = {{\CYRB}{\cyri}{\cyrr}{\cyra}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyre} {\cyrs}{\cyrv}{\cyro}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv}{\cyra} {\cyrp}{\cyro}{\cyrv}{\cyre}{\cyrr}{\cyrh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrs}{\cyrt}{\cyre}{\cyrp}{\cyre}{\cyrn}{\cyri} $4$ {\cyrv} $P^4_k$}, journal = {Matemati\v{c}eskij sbornik}, pages = {31--37}, publisher = {mathdoc}, volume = {130}, number = {1}, year = {1972}, zbl = {0244.14005}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1972__130_1_a1/} }
В.А. Исковских. Бирациональные свойства поверхности степени $4$ в $P^4_k$. Matematičeskij sbornik, Tome 130 (1972) no. 1, pp. 31-37. http://geodesic.mathdoc.fr/item/MS_1972__130_1_a1/