%0 Journal Article %A D. K. Faddeev %T On the equation $x^4-Ay^4=\pm 1$ %J Informatics and Automation %D 1934 %P 41-52 %V 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1934_5_a5/ %G ru %F TRSPY_1934_5_a5