@book{8757016,
	author = {Копсон, Э. Т. and Мордасова, Г. М.},
	title = {Асимптотические разложения},
	publisher = {Мир},
	year = {1966},
	address = {Москва},
	note = {Доп. тит. л.: Asymptotic expansions. By E.T. Copson}
}