vwin信誉开户
Andrej Šorgo, Nataša Pipenbaher, Slavica Šimić Šašić, Pavol Prokop, Milan Kubiatko, Nika Golob, Mehmet Erdogan, Iztok Tomažič, Martin Bilek, Jana Fančovičova, Vincentas Lamanauskas, Muhammet Usak
欧亚数学科学学报,第11卷,第4期,第713-723页
https://doi.org/10.12973/eurasia.2015.1379a