Search results for: Miguel Martin
Central European Journal of Mathematics > 2011 > 9 > 4 > 797-802
Central European Journal of Mathematics > 2009 > 7 > 4 > 683-693
Central European Journal of Mathematics > 2011 > 9 > 4 > 797-802
Central European Journal of Mathematics > 2009 > 7 > 4 > 683-693