Augmenting the power of time-delay cosmography in lens galaxy clusters by probing their member galaxies - I. Type Ia supernovae
A. Acebron, S. Schuldt, C. Grillo, P. Bergamini, G. Granata, U. Meštrić, G. B. Caminha, M. Meneghetti, A. Mercurio, P. Rosati, S. H. Suyu and E. Vanzella