Compressive and rarefactive ion-acoustic solitons in a magnetized quantum plasma B. Hosen, M. G. Shah, M. R. Hossen and A. A. Mamun Eur. Phys. J. Plus, 131 4 (2016) 81 Published online: 06 April 2016 DOI: 10.1140/epjp/i2016-16081-y