TY - JOUR AU - Anders Kock TI - Two theorems of Lie on infinitesimal symmetries of differential equations JO - Theory and applications of categories PY - 2025 SP - 93 EP - 107 VL - 43 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAC_2025_43_a4/ LA - en ID - TAC_2025_43_a4 ER -