TY - BOOK ID - 134299858 TI - Variational methods for the study of nonlinear operators PY - 1964 PB - San Francisco : Holden-Day, DB - UniCat KW - Nonlinear theories KW - Théories non linéaires UR - https://www.unicat.be/uniCat?func=search&query=sysid:134299858 AB - ER -