TY  - JOUR
AU  - I. S. Kats
TI  - A~description of the set of spectral functions of a~regular string supporting a~concentrated mass at an end that is free of boundary conditions
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1974
SP  - 27
EP  - 33
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1974_7_a3/
LA  - ru
ID  - IVM_1974_7_a3
ER  -