TY - JOUR AU - M. A. Serdyukova AU - A. N. Serdyukov TI - A massive gravitational field in flat spacetime. I. Gauge invariance and field equations JO - Problemy fiziki, matematiki i tehniki PY - 2019 SP - 45 EP - 53 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PFMT_2019_2_a5/ LA - en ID - PFMT_2019_2_a5 ER -