TY - BOOK AU - Demazure, Michel AU - Chillingworth, David TI - Bifurcations and catastrophes : geometry of solutions to nonlinear problems PB - Springer PY - 2000 T2 - Universitext EP - viii, 301 p. UR - https://ci.nii.ac.jp/ncid/BA44688611 SN - 3540521186 ER -