%0 Journal Article %A Yu. M. Shirokov %T Conditions of consistency, completeness, and relativistic invariance of the algebra of equal-time commutators %J Teoretičeskaâ i matematičeskaâ fizika %D 1971 %P 333-342 %V 9 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1971_9_3_a3/ %G ru %F TMF_1971_9_3_a3