@article{ASENS_2002_4_35_4_477_0,
     author = {Sambusetti, Andrea},
     title = {Growth tightness of free and amalgamated products},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {477--488},
     publisher = {Elsevier},
     volume = {Ser. 4, 35},
     number = {4},
     year = {2002},
     doi = {10.1016/s0012-9593(02)01101-1},
     mrnumber = {1981169},
     zbl = {1018.20036},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/s0012-9593(02)01101-1/}
}