@article{MASLO_1982_32_3_a5,
author = {Harminc, Mat\'u\v{s}},
title = {Solutions and kernels of a directed graph},
journal = {Mathematica slovaca},
pages = {263--267},
year = {1982},
volume = {32},
number = {3},
mrnumber = {670002},
zbl = {0491.05029},
language = {en},
url = {http://geodesic.mathdoc.fr/item/MASLO_1982_32_3_a5/}
}
Harminc, Matúš. Solutions and kernels of a directed graph. Mathematica slovaca, Tome 32 (1982) no. 3, pp. 263-267. http://geodesic.mathdoc.fr/item/MASLO_1982_32_3_a5/
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