@article{BUMI_1967_3_22_2_a8,
     author = {Trandafir, Rodica},
     title = {Problems of integral geometry of lattices in an {Euclidean} space  $E_{3}$.},
     journal = {Bollettino della Unione matematica italiana},
     pages = {228--235},
     publisher = {mathdoc},
     volume = {Ser. 3, 22},
     number = {2},
     year = {1967},
     zbl = {0148.42703},
     mrnumber = {224052},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_1967_3_22_2_a8/}
}