Variational method in engineering.
Schechter, R.S.\
Variational method in engineering. - - McGraw-Hill, new York, 1967 - p.vii,287,illus.,23cm., - .
17
519.3 Sch
Variational method in engineering. - - McGraw-Hill, new York, 1967 - p.vii,287,illus.,23cm., - .
17
519.3 Sch