Liusternik, L. A. 1., Sobolev, V. I. 1., Labarre, A. E., Izbicki, H., & Crowley, H. W. (1965). Elements of functional analysis. New York: Frederick Ungar Publishing.

Liusternik, L. A. 1899-1981, V. I. 1913-1995 Sobolev, Anthony E. Labarre, Herbert Izbicki, and H. Ward Crowley. Elements of Functional Analysis. New York: Frederick Ungar Publishing, 1965.

Liusternik, L. A. 1899-1981, et al. Elements of Functional Analysis. New York: Frederick Ungar Publishing, 1965.