A. Reisman, M. Berkenblit, et al.
JES
The variational formulation of the initial value problem is derived and used for the construction of a procedure for the determination of approximate solutions. For the case of periodic motion of simple oscillators this procedure is shown to reduce to conventional techniques. 1962 by ASME.
A. Reisman, M. Berkenblit, et al.
JES
A. Krol, C.J. Sher, et al.
Surface Science
J.A. Barker, D. Henderson, et al.
Molecular Physics
E. Burstein
Ferroelectrics