@article{DAN_1973_209_5_a6,
     author = {A. I. Ponomarenko},
     title = {Estimation of the mean of homogeneous random fields on groups},
     journal = {Doklady Akademii Nauk},
     pages = {1031--1032},
     publisher = {mathdoc},
     volume = {209},
     number = {5},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_209_5_a6/}
}