@article{TRSPY_1934_5_a5,
     author = {D. K. Faddeev},
     title = {On the equation $x^4-Ay^4=\pm 1$},
     journal = {Informatics and Automation},
     pages = {41--52},
     publisher = {mathdoc},
     volume = {5},
     year = {1934},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1934_5_a5/}
}