Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1965_5_a7, author = {V. A. Dem'yanenko}, title = {{\CYRO}{\cyrb} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyri} $x^3+y^3+z^3-t^3=1$}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {57}, publisher = {mathdoc}, number = {5}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1965_5_a7/} }
V. A. Dem'yanenko. Об уравнении $x^3+y^3+z^3-t^3=1$. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 5 (1965). http://geodesic.mathdoc.fr/item/IVM_1965_5_a7/