@article{10_4171_ggd_424,
     author = {Sergei V. Ivanov},
     title = {Linear programming and the intersection of free subgroups in free products of groups},
     journal = {Groups, geometry, and dynamics},
     pages = {1113--1177},
     year = {2017},
     volume = {11},
     number = {4},
     doi = {10.4171/ggd/424},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/424/}
}