%0 Journal Article %A S. B. Kirpichev %A P. A. Polyakov %T On the formulation of initial-value problems for systems consisting of relativistic particles %J Fundamentalʹnaâ i prikladnaâ matematika %D 2005 %P 211-226 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2005_11_1_a9/ %G ru %F FPM_2005_11_1_a9