@article{MM3_2005_9_1_a2,
     author = {Mirjana Lazi\'c},
     title = {Interlacing {Theorem} for the {Laplacian} {Spectrum} of a {Graph}},
     journal = {Mathematica Moravica},
     pages = {13 - 16},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {2005},
     url = {https://geodesic-test.mathdoc.fr/item/MM3_2005_9_1_a2/}
}