Search results for: Vesselka Mihova
Central European Journal of Mathematics > 2013 > 11 > 1 > 133-148
Open Mathematics > 2013 > 11 > 1 > 133-148
Open Mathematics > 2008 > 6 > 1 > 43-75
Central European Journal of Mathematics > 2008 > 6 > 1 > 43-75