Analysis, Functional Equations, Approximation and Convexity  Proceedings of the conference Held in Honour of Professor ELENA POPOVICIU on the Occasion of her 75th Birthday 
Editors: Liana Lupsa and Mircea Ivan 
 - Cluj-Napoca  Carpatica  1999 
 - 342  290 cm 
<br/><br/><label>ISBN: </label>9799766498