%0 Journal Article %A S. L. Atanasyan %A Kh. K. Abdurakhmanova %A V. P. Gur'eva %T Complex and double polar coordinates in line manifolds of three-dimensional quasi-non-Euclidean spaces %J Trudy Geometricheskogo Seminara %D 1976 %P 5-10 %V 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUTGS_1976_9_a1/ %G ru %F KUTGS_1976_9_a1