Lusternik, L. A. and Sobolev, V. J. <br/><br/>
Elements of functional analysis   

 - Delhi  Hindustan  1961 
 - ix, 411p. Index, Bibl. Appendix 
 - Russian monographs and texts on Advanced Mathematics and Physics   v. 5 .
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<br/><br/><label>Dewey Class. No.: </label>515.7  / L972.EF