TY - GENERIC DO - 10.20944/preprints202005.0457.v3 UR - http://dx.doi.org/10.20944/preprints202005.0457.v3 TI - The Mass-gap in Quantum Chromodynamics and a Restriction on Gluon Masses T2 - Preprints AU - Larin, S. A. PY - 2021 DA - 2021/04/27 PB - Preprints