Variational calculus in science and engineering.
Forray, M.J.\
Variational calculus in science and engineering. - - McGraw-Hill, New York, 1968 - p.xi,221,illus.,23cm., - .
1
519.3 For-2
Variational calculus in science and engineering. - - McGraw-Hill, New York, 1968 - p.xi,221,illus.,23cm., - .
1
519.3 For-2