@book{14791,
	author = {Tikhonov, A. N. and Others and Vasileva, A. B. ; jt. auth.},
	title = {Differential equations},
	publisher = {Springer-Verlag},
	year = {1985},
	series = {Springer series in Soviet Mathematics},
	address = {Berlin},
	note = {"Tr. from the Russian by A. B. Sossinskij".}
}