Geodesic
Multidimensional leray residues and effective masses of a~lattice model
Teoretičeskaâ i matematičeskaâ fizika, Tome 89 (1991) no. 1, pp. 156-160

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A single-particle model of a multidimensional cubic lattice based on the theory of extensions is considered. For this model, a formula is obtained for the sum of the effective masses by applying multidimensional Leray residues to a certain meromorphic form on the Riemann space of the quasimomentum. 
@article{TMF_1991_89_1_a13,
     author = {S. V. Frolov},
     title = {Multidimensional leray residues and effective masses of a~lattice model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {156--160},
     publisher = {mathdoc},
     volume = {89},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1991_89_1_a13/}
}
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S. V. Frolov. Multidimensional leray residues and effective masses of a~lattice model. Teoretičeskaâ i matematičeskaâ fizika, Tome 89 (1991) no. 1, pp. 156-160. http://geodesic.mathdoc.fr/item/TMF_1991_89_1_a13/