Rp. Agarwal et Pyh. Pang, REMARKS ON THE GENERALIZATIONS OF OPIALS INEQUALITY, Journal of mathematical analysis and applications, 190(2), 1995, pp. 559-577
The purpose of this paper is twofold: First, we shall show that the re
fined forms of several generalizations of Opial's inequality can be de
duced from earlier known results, Second, we shall offer a variety of
new Opial type inequalities. (C) 1995 Academic Press, Inc.