%0 Journal Article %A V. F. Molchanov %A E. S. Yuryeva %T Integer triangles, Pell's equation and Chebyshev polynomials %J Vestnik rossijskih universitetov. Matematika %D 2019 %P 179-186 %V 24 %N 126 %U http://geodesic.mathdoc.fr/item/VTAMU_2019_24_126_a3/ %G ru %F VTAMU_2019_24_126_a3