%0 Journal Article %A Bertrand Maury %T Defective Laplacians and paradoxical phenomena in crowd motion modeling %J Comptes Rendus. Mécanique %D 2023 %P 615-646 %V 351 %N S1 %I Académie des sciences, Paris %R 10.5802/crmeca.205 %G en %F CRMECA_2023__351_S1_615_0