[2] viXra:1804.0423 submitted on 2018-04-28 09:45:16, (326 unique-IP downloads)
Authors: Samah Ibrahim Abdel Aal, Mahmoud M. A. Abd Ellatif, Mohamed Monir Hassan
Category: General Mathematics
[1] viXra:1803.0603 submitted on 2018-03-23 07:53:48, (66 unique-IP downloads)
Authors: Samah Ibrahim Abdel Aal, Mahmoud M. A. Abd Ellatif, Mohamed Monir Hassan
Category: General Mathematics