@article{TMF_1973_14_1_a8, author = {\`E. L. Nagaev}, title = {State of a conduction electron in a crystal in the case of nonlocal interaction with elementary excitations}, journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika}, pages = {91--101}, publisher = {mathdoc}, volume = {14}, number = {1}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TMF_1973_14_1_a8/} }