@article{TAM_2004_31_3-4_a2,
     author = {Nicolae Boja},
     title = {Basic general concepts in the network analysis},
     journal = {Theoretical and applied mechanics},
     pages = {235 - 263},
     publisher = {mathdoc},
     volume = {31},
     number = {3-4},
     year = {2004},
     url = {http://geodesic.mathdoc.fr/item/TAM_2004_31_3-4_a2/}
}