TY  - JOUR
AU  - F. L. Bakharev
AU  - S. A. Nazarov
TI  - Criteria for the absence and existence of bounded solutions at the threshold frequency in a junction of quantum waveguides
JO  - Algebra i analiz
PY  - 2020
SP  - 1
EP  - 23
VL  - 32
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_2020_32_6_a0/
LA  - ru
ID  - AA_2020_32_6_a0
ER  -