TY JOUR TI Massless Stueckelberg particle, solutions with cylindric symmetry KW massless Stueckelberg field KW cylindrical symmetry KW the method of projective operators KW exact solutions JO Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences AU Semenyuk, O.A. AU Pletyuhov, V.A. AU Buryy, A.V. AU Ivashkevich, A.V. AU Red'kov, V.M. PY 2023 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"