@article{10_37236_6221,
     author = {Kamil Bulinski},
     title = {Multidimensional lower density versions of {Pl\"unnecke's} inequality},
     journal = {The electronic journal of combinatorics},
     year = {2017},
     volume = {24},
     number = {3},
     doi = {10.37236/6221},
     zbl = {1407.11020},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/6221/}
}