@article{ZNSL_2014_427_a0,
     author = {V. A. Buslov},
     title = {On  characteristic polynomial coefficients of the {Laplace} matrix of a~weighted digraph and all minors theorem},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--21},
     publisher = {mathdoc},
     volume = {427},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2014_427_a0/}
}