A Hilbert space problem book /
Halmos, Paul R. 1916-2006.
A Hilbert space problem book / Paul R. Halmos. - 2nd ed., rev. and enl. ed. - New York [etc.] : Springer-Verlag, 1982.
0387906851
51
A Hilbert space problem book / Paul R. Halmos. - 2nd ed., rev. and enl. ed. - New York [etc.] : Springer-Verlag, 1982.
0387906851
51