@book{12940,
	author = {Bajpai, A. C. and Others and Calus, I. M. ; jt. auth.},
	title = {Ordinary differential equations; a programmed course for students of science and technology},
	publisher = {Wiley-Interscience},
	year = {1970},
	series = {Series of programmes on differential equations},
	address = {London}
}