AN EXTENSION OF POSITIVITY FOR INTEGRALS OF BESSEL FUNCTIONS AND BUHMANN'S RADIAL BASIS FUNCTIONS.Published in:Proceedings of the American Mathematical Society, Series B, 2018, v. 5, n. 4, p. 25, doi. 10.1090/bproc/34By:YONG-KUM CHO;SEOK-YOUNG CHUNG;HERA YUNPublication type:Article