@article{ZNSL_1998_251_a4,
     author = {R. Giachetti and V. Tognetti},
     title = {Effective potential and quantum dynamical correlators},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {49--56},
     publisher = {mathdoc},
     volume = {251},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1998_251_a4/}
}