books.google.gr - The Sixth International Colloquium on Differential Equations was organized by the Institute for Basic Science of Inha University, the International Federation of Nonlinear Analysts, the Mathematical Society of Japan, the Pharmaceutical Faculty of the Medical University of Sofia, the University of Catania,...https://books.google.gr/books/about/Proceedings_of_the_Sixth_International_C.html?hl=el&id=30Y0m4GxVPcC&utm_source=gb-gplus-shareProceedings of the Sixth International Colloquium on Differential Equations
