TY - GEN digital ID - 131226281 TI - Minimax Systems and Critical Point Theory PY - 2009 SN - 9780817649029 PB - Boston Birkhäuser Boston DB - UniCat KW - Functional analysis KW - Partial differential equations KW - Differential equations KW - differentiaalvergelijkingen KW - functies (wiskunde) UR - https://www.unicat.be/uniCat?func=search&query=sysid:131226281 AB - ER -