E. Brian Davies.
Cambridge : Cambridge University Press, 2007.
Elias M. Stein & Rami Shakarchi.
Princeton, N.J. : Princeton University Press, ©2005.
Carlos C. Peña.
[México : Sociedad Matemática Mexicana], 2003.
Peter D. Lax.
New York : Wiley-Interscience, ©2002.
Peter D. Lax.
New York : Wiley, ©1997.
P. A. Fuhrmann.
New York : Springer, ©1996.
V.V. Prasolov ; [translated by D.A. Leites from an original Russian manuscript ; translation edited by Simeon Ivanov]
[2nd. rev. printing].
Providence, R.I. : American Mathematical Society, 1996, ©1994.
Y. M. Berezansky, Z. G. Sheftel, G. F. Us ; translated from the Russian by Peter V. Malyshev.
Basel : Birkhäuser Verlag, ©1996.
John B. Conway.
2nd ed.
New York : Springer, ©1990.
Erwin Kreyszig.
[S.l.] : Wiley, 1989, ©1978.
Robert Carroll.
Amsterdam : North-Holland, 1988.
Klaus Deimling.
Berlin : Springer-Verlag, ©1985.
Richard V. Kadison, John R. Ringrose.
New York : Academic Press, 1983-<©1992.
Rafael Panzone.
Bahía Blanca : INMABB-CONICET, Universidad Nacional del Sur, 1983.
A. A. Kirillov, A. D. Gvishiani ; translated by Harold H. McFaden.
New York : Springer-Verlag, ©1982.
D. H. Griffel.
Chichester, England : E. Horwood ; New York : Halsted Press, 1981.
Eduard Prugovecki.
2nd ed.
New York : Academic Press, 1981.
Kôsuku Yosida.
6th ed.
Berlin ; New York : Springer-Verlag, 1980.
Michael Reed, Barry Simon.
Rev. and enl. ed.
New York : Academic Press, ©1980-<1.
Joachim Weidmann ; translated by Joseph Szücs.
New York : Springer-Verlag, ©1980.
