@book{9316516,
	author = {Nikol'skij, N. K. and Vasjunin, V. I.},
	title = {ˆA ‰unified approach to function models, and the transcription problem},
	publisher = {USSR Acad. of sciences, Steklov math inst. Leningrad dep.},
	year = {1986},
	series = {LOMI preprints},
	address = {L.}
}