Open Access System for Information Sharing

Computers and Mathematics with Applications, vol. 69, no. 1, page. 13 - 30, 2015-01

Journal of Computational and Applied Mathematics, vol. 292, page. 342 - 362, 2016-01-15

JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, vol. 465, no. 2, page. 839 - 856, 2018-07

Advances in Mathematics, vol. 234, page. 453 - 487, 2013-02-15

MATHEMATICAL AND COMPUTER MODELLING, vol. 51, no. 3-4, page. 247 - 255, 2010-02