%0 Journal Article %A Ya. I. Shtipel'man %T Valuations of the quotient field of the ring of quantum mechanics %J Funkcionalʹnyj analiz i ego priloženiâ %D 1973 %P 56-63 %V 7 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1973_7_1_a5/ %G ru %F FAA_1973_7_1_a5