@article{MMNP_2010_5_6_a2,
     author = {L. Sanz and J. A. Alonso},
     title = {Approximate {Aggregation} {Methods} in {Discrete} {Time} {Stochastic} {Population} {Models}},
     journal = {Mathematical modelling of natural phenomena},
     pages = {38--69},
     publisher = {mathdoc},
     volume = {5},
     number = {6},
     year = {2010},
     doi = {10.1051/mmnp/20105603},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1051/mmnp/20105603/}
}