TY  - JOUR
AU  - P. Ya. Kirik
TI  - The orthogonality of the derivatives of the eigenforms of the vibrations of an inhomogeneous rod
JO  - Differencialʹnye uravneniâ
PY  - 1969
SP  - 1899
EP  - 1900
VL  - 5
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1969_5_10_a18/
LA  - ru
ID  - DE_1969_5_10_a18
ER  -