المؤلفون: Acyl, Bechir Mahamat, Tao, Shuangping, Khalill, Omer

المصدر: Applied Mathematics ; volume 12, issue 07, page 614-626 ; ISSN 2152-7385 2152-7393

الاتاحة: http://dx.doi.org/10.4236/am.2021.127044
https://www.scirp.org/journal/doi.aspx?doi=10.4236/am.2021.127044
https://www.scirp.org/xml/110627.xml