HALMOS, P. R. (1967). A Hilbert space problem book. American Book.
Chicagoスタイル(17版)引用形式HALMOS, Paul R. A Hilbert Space Problem Book. New York: American Book, 1967.
MLA(9版)引用形式HALMOS, Paul R. A Hilbert Space Problem Book. American Book, 1967.
警告: この引用は必ずしも正確ではありません.