@article{DAN_1981_259_5_a15,
     author = {C. Rodriguez and V. K. Fedyanin},
     title = {Effective mass and radius of polaron at finite temperature},
     journal = {Doklady Akademii Nauk},
     pages = {1088--1093},
     publisher = {mathdoc},
     volume = {259},
     number = {5},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_259_5_a15/}
}