@article{ASNSP_2006_5_5_4_611_0,
     author = {Butscher, Adrian and Pacard, Frank},
     title = {Doubling constant mean curvature tori in $S^3$},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {611--638},
     publisher = {Scuola Normale Superiore, Pisa},
     volume = {Ser. 5, 5},
     number = {4},
     year = {2006},
     zbl = {1170.53303},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_2006_5_5_4_611_0/}
}