%0 Journal Article %A I. V. Mitrofanov %T Periodicity of morphic words %J Fundamentalʹnaâ i prikladnaâ matematika %D 2013 %P 107-119 %V 18 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2013_18_4_a7/ %G ru %F FPM_2013_18_4_a7