@article{SM_2005_196_5_a4,
     author = {S. V. Savchenko},
     title = {Laurent expansion for the determinant of the matrix of scalar resolvents},
     journal = {Sbornik. Mathematics},
     pages = {743--764},
     year = {2005},
     volume = {196},
     number = {5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2005_196_5_a4/}
}