Search results for: Costel Chiteș
Open Mathematics > 2010 > 8 > 2 > 274-281
Central European Journal of Mathematics > 2010 > 8 > 2 > 274-281
Open Mathematics > 2010 > 8 > 2 > 274-281
Central European Journal of Mathematics > 2010 > 8 > 2 > 274-281