TY  JOUR
TI  Periodic vibrations of nongomogeneous  string with clamped and free ends.
KW  wave equation
KW  periodic solutions
KW  Sturm-Lioville problem
KW  critical points of the functional.
JO  Bulletin of Bryansk state technical university
AU  Rudakov, I..
PY  2015
IS  2015
PB  Bryansk State Technical University