TY  - JOUR
AU  - D.I. Borisov
TI  - Absence of gaps in a~lower part of the~spectrum of a~Laplacian with frequent alternation of boundary conditions in a~strip
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 2018
SP  - 225
EP  - 239
VL  - 195
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_2018_195_2_a4/
LA  - ru
ID  - TMF_2018_195_2_a4
ER  -