@article{VMUMM_1986_1_a6,
     author = {N. K. Vereshchagin},
     title = {Effective upper bounds for the number of zeros of a linear recurrence sequence},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {25--30},
     publisher = {mathdoc},
     number = {1},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1986_1_a6/}
}