TY - BOOK ID - 126797913 TI - Elements of functional analysis AU - Lusternik, Lazar Aronovich AU - Sobolev, V. J. PY - 1968 PB - New-York: Gordon and Breach, DB - UniCat KW - Functional analysis UR - https://www.unicat.be/uniCat?func=search&query=sysid:126797913 AB - ER -