TY - JOUR AU - V. N. Kapshai AU - K. P. Shilyaeva AU - Yu. A. Grishechkin TI - Resonance states of relativistic systems and covariant two-particle equations JO - Problemy fiziki, matematiki i tehniki PY - 2011 SP - 33 EP - 37 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PFMT_2011_4_a6/ LA - en ID - PFMT_2011_4_a6 ER -