TY - JOUR AU - B. B. Levchenko TI - Fields of a~relativistic beam of charged particles between parallel JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2020 SP - 311 EP - 320 VL - 203 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_2020_203_2_a10/ LA - ru ID - TMF_2020_203_2_a10 ER -