@article{DAN_1991_319_5_a15,
     author = {D. G. Gridnev and I. I. Naumenko-Bondarenko},
     title = {Measurements of time variations of gravitational potential
},
     journal = {Doklady Akademii Nauk},
     pages = {1102--1105},
     publisher = {mathdoc},
     volume = {319},
     number = {5},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_319_5_a15/}
}