@article{DAN_1962_146_4_a5,
     author = {M. L. Gerver and E. M. Landis},
     title = {A generalization of the mean-value theorem for functions of several variables},
     journal = {Doklady Akademii Nauk},
     pages = {761--764},
     publisher = {mathdoc},
     volume = {146},
     number = {4},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_146_4_a5/}
}