@BOOK{ Book!D - 103055825,
AUTHOR = "/ [by] Paul R. Halmos",
TITLE = "A Hilbert space problem booK",
LIBRARY= "کتابخانه مرکزی و مرکز اسناد دانشگاه کردستان",
SUBJECT = "Hilbert space- Problems, exercises, etc",
URL = "/book/103055825/A-Hilbert-space-problem-booK/"}