TY  - JOUR
AU  - Rune Haugseng
AU  - Fabian Hebestreit
AU  - Sil Linskens
AU  - Joost Nuiten
TI  - Two-variable fibrations, factorisation systems and $\infty $-categories of spans
JO  - Forum of Mathematics, Sigma
PY  - 2023
VL  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.1017/fms.2023.107/
DO  - 10.1017/fms.2023.107
LA  - en
ID  - 10_1017_fms_2023_107
ER  -