@article{MM3_2004_8_1_a2,
     author = {Mirjana Lazi\'c},
     title = {A {Note} on $\lambda_2$ and $\lambda_n2$ of a {Graph}},
     journal = {Mathematica Moravica},
     pages = {11 - 14},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {2004},
     url = {https://geodesic-test.mathdoc.fr/item/MM3_2004_8_1_a2/}
}