Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: panguva imwe cheteyo yakapa zano rokuwedzera kwakadaro, uye naizvozvo muenzaniso wacho zvino unozivikanwa sechisungo chePolyakov-Kleinert.  Mubvunzo: Pakupedzisira zita romuenzaniso wacho raiva ripi?
Polyakov-Kleinert tambo