TY  - JOUR
AU  - V. N. Kapshai
AU  - M. S. Danilchenko
AU  - Yu. A. Grishechkin
TI  - Covariant equations and resonance states of two-particle systems with $\delta$-function potentials
JO  - Problemy fiziki, matematiki i tehniki
PY  - 2015
SP  - 11
EP  - 15
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PFMT_2015_1_a1/
LA  - ru
ID  - PFMT_2015_1_a1
ER  -