%0 Journal Article %A A. S. Ivanova %A M. A. Parinov %T Some classes of electromagnetic waves that admit parabolic helices %J Fundamentalʹnaâ i prikladnaâ matematika %D 2006 %P 79-92 %V 12 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2006_12_7_a5/ %G ru %F FPM_2006_12_7_a5