TY  - JOUR
AU  - A. N. Bobrov
TI  - Letter to the editors: ``The trace of the Laplace-Beltrami operator with a potential on a Zoll surface'' [Differ. Uravn. \textbf{35} (1999), no. 4, 528--539, 575; MR1719784]
JO  - Differencialʹnye uravneniâ
PY  - 1999
SP  - 1713
VL  - 35
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1999_35_12_a16/
LA  - ru
ID  - DE_1999_35_12_a16
ER  -