%0 Journal Article %A I. G. Ivanter %T The topological structure of space and the mass spectrum of elementary particles %J Doklady Akademii Nauk %D 1963 %P 303-306 %V 148 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_148_2_a17/ %G ru %F DAN_1963_148_2_a17