The Geometry of Ordinary Variational Equations Autor Olga Krupkova 27 noi 1997 Paperback Preț: 372.95 lei 6-8 săpt.
Variations, Geometry & Physics: In Honour of Demeter Krupka's Sixty-Fifth Birthday Editat de Olga Krupkova et al. 14 iul 2009 Hardback Preț: 710.20 lei 998.39 lei Se retipărește -29%