%0 Journal Article %A P. E. Alaev %T Existence and uniqueness of structures computable in polynomial time %J Algebra i logika %D 2016 %P 106-112 %V 55 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2016_55_1_a6/ %G ru %F AL_2016_55_1_a6