@article{CRMECA_2007__335_11_720_0,
     author = {Andr\'e Lannes},
     title = {On the concept of reduced difference in differential {GNSS}},
     journal = {Comptes Rendus. M\'ecanique},
     pages = {720--726},
     publisher = {Elsevier},
     volume = {335},
     number = {11},
     year = {2007},
     doi = {10.1016/j.crme.2007.09.005},
     language = {en},
}