@book{21080,
	author = {Petrashenʹ, M. I. and Trifonov, E. D.},
	title = {Applications of group theory in quantum mechanics},
	publisher = {M.I.T. Press},
	year = {[1969]},
	address = {Cambridge, Mass.},
	note = {Translation of Primenenie teorii grupp v kvantovoĭ mekhanike (romanized form)}
}