@article{IJAMCS_2013_23_4_a10,
     author = {Hofuku, I. and Oshima, K.},
     title = {A method of constructing the frame of a directed graph},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {823--837},
     publisher = {mathdoc},
     volume = {23},
     number = {4},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2013_23_4_a10/}
}