@article{10_1007_s10587_015_0223_0, author = {Nikandish, Reza and Miraftab, Babak}, title = {A note on infinite $aS$-groups}, journal = {Czechoslovak Mathematical Journal}, pages = {1003--1009}, publisher = {mathdoc}, volume = {65}, number = {4}, year = {2015}, doi = {10.1007/s10587-015-0223-0}, mrnumber = {3441331}, zbl = {06537706}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.1007/s10587-015-0223-0/} }