@article{AA_1992_4_4_a7,
     author = {A. V. Pukhlikov and A. G. Khovanskii},
     title = {The {Riemann--Roch} theorem for integrals and sums of quasipolynomials on virtual polytopes},
     journal = {Algebra i analiz},
     pages = {188--216},
     publisher = {mathdoc},
     volume = {4},
     number = {4},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1992_4_4_a7/}
}