MathSciNet bibliographic data MR1215430 34B15 O'Regan, Donal Some general existence principles and results for $(\phi(y'))'=qf(t,y,y'),\; 0< t<1$$(\phi(y'))'=qf(t,y,y'),\; 0< t<1$. SIAM J. Math. Anal. 24 (1993), no. 3, 648–668. Article

For users without a MathSciNet license , Relay Station allows linking from MR numbers in online mathematical literature directly to electronic journals and original articles. Subscribers receive the added value of full MathSciNet reviews.