"RIV:J07/98:14310 150!RIV/1998/MSM/MSM8G70" . "3"^^ . . "0009-0700" . "Variationality and force fields in classical physics" . . "320;328" . "14310" . "\u010Ceskoslovensk\u00FD \u010Dasopis pro fyziku" . "0"^^ . . . . . "RIV:J07/98:14310 150" . "787966" . "[A0DC2F1F9B71]" . "Musilov\u00E1, Jana" . "Variationality and force fields in classical physics"@en . . . "48" . "Novotn\u00FD, Jan" . . "5" . "Variationality and force fields in classical physics"@en . "Variationality and force fields in classical physics" . . . "Mr\u00E1z, Martin" . "3"^^ .