Integrability of Nonlinear Systems Editat de Yvette Kosmann-Schwarzbach et al. 17 feb 2004 Hardback Preț: 410.49 lei 6-8 săpt.
Discrete Integrable Systems Editat de Basil Grammaticos et al. 22 iun 2004 Hardback Preț: 419.51 lei 3-5 săpt.