@article{10_2298_TAM1301121V,
     author = {Veljko A. Vuji\v{c}i\'c},
     title = {Modification of earth's gravity sphere},
     journal = {Theoretical and applied mechanics},
     pages = {121 },
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {2013},
     doi = {10.2298/TAM1301121V},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/TAM1301121V/}
}