A general formulation of variotional principles:
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Bibliographic Details
Main Author: Herrera, Ismael (Author)
Format: Book
Language:Undetermined
Published: México UNAM 1974
Series:Instituto de Ingeniería <México>. E. 10.
Physical Description:45 S.

There is no print copy available.

Interlibrary loan Place Request Caution: Not in THWS collection!