TY  - JOUR
AU  - Giovanni Bellettini
AU  - Maurizio Paolini
AU  - Franco Pasquarelli
TI  - Triple covers and a non-simply connected surface spanning an elongated tetrahedron and beating the cone
JO  - Interfaces and free boundaries
PY  - 2018
SP  - 407
EP  - 436
VL  - 20
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4171/ifb/407/
DO  - 10.4171/ifb/407
ID  - 10_4171_ifb_407
ER  -