Grigore CALUGAREANU, Andrey CHEKHLOV
International Electronic Journal of Algebra
217-230
International Electronic Journal of Algebra
International Electronic Journal of Algebra
T. BREUER, L. L. HETHELYI, E. HORVATH, B. KULSHAMMER
International Electronic Journal of Algebra
International Electronic Journal of Algebra
Huihui ZHENG, Yuanyuan CHEN, Liangyun ZHANG
International Electronic Journal of Algebra
Lokendra PAUDEL, Simplice TCHAMNA
International Electronic Journal of Algebra
International Electronic Journal of Algebra