TY  - JOUR
AU  - A. Yu. Anikin
AU  - M. A. Vavilova
TI  - Semiclassical asymptotic behavior of the~lower spectral bands of the~Schr\"odinger operator with a~trigonal-symmetric periodic potential
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 2020
SP  - 264
EP  - 277
VL  - 202
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_2020_202_2_a5/
LA  - ru
ID  - TMF_2020_202_2_a5
ER  -