TY - JOUR AU - Bertrand Maury TI - Defective Laplacians and paradoxical phenomena in crowd motion modeling JO - Comptes Rendus. Mécanique PY - 2023 SP - 615 EP - 646 VL - 351 IS - S1 PB - Académie des sciences, Paris DO - 10.5802/crmeca.205 LA - en ID - CRMECA_2023__351_S1_615_0 ER -