"Pe\u0159inov\u00E1, Vlasta" . . "818829" . . "229" . "Wigner functions for two arbitrary operators and spectrum perturbation" . "0"^^ . "Physics Letters A" . "Wigner functions for two arbitrary operators and spectrum perturbation"@en . "2"^^ . "8;16" . . . "Luk\u0161, Anton\u00EDn" . "[6B68A1F197B9]" . "Wigner functions for two arbitrary operators and spectrum perturbation"@en . "Wigner functions for two arbitrary operators and spectrum perturbation" . . . . . . "-" . "2"^^ . "RIV:J14/97:N70000134!RIV/1998/MSM/MSM8N70" . "15310" . "RIV:J14/97:N70000134" . . "0375-9601" .