TY  - JOUR
AU  - S. Albeverio
AU  - S. Fassari
AU  - F. Rinaldi
TI  - The behaviour of the three-dimensional Hamiltonian $-\Delta+\lambda[\delta(x+x_0)+\delta(x-x_0)]$ as the distance between the two centres vanishes
JO  - Nanosistemy: fizika, himiâ, matematika
PY  - 2017
SP  - 153
EP  - 159
VL  - 8
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NANO_2017_8_2_a0/
LA  - en
ID  - NANO_2017_8_2_a0
ER  -