%0 Journal Article %A I. N. Ponomarenko %T Polynomial-time recognizing and isomorphism testing for cyclic tournaments %J Zapiski Nauchnykh Seminarov POMI %D 1991 %P 74-111 %V 192 %U http://geodesic.mathdoc.fr/item/ZNSL_1991_192_a4/ %G ru %F ZNSL_1991_192_a4