@article{10_4153_CJM_1992_055_8,
     author = {Alexopoulos, G.},
     title = {A {Lower} {Estimate} for {Central} {Probabilities} on {Polycyclic} {Groups}},
     journal = {Canadian journal of mathematics},
     pages = {897--910},
     year = {1992},
     volume = {44},
     number = {5},
     doi = {10.4153/CJM-1992-055-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1992-055-8/}
}