Singularly Perturbed Differential Equations Mathematical Research, nr. 13 Autor Herbert Goering et al. 31 dec 1983 Hardback Preț: 852.90 lei 1107.67 lei 6-8 săpt. -23%
Die schönsten Aufgaben der Mathematik-Olympiade in Deutschland Autor Hans-Dietrich Gronau et al. 6 iun 2021 Paperback Preț: 364.26 lei 6-8 săpt.