TY - JOUR AU - Vladimir S. Matveev TI - On the existence of geodesic vector fields on closed surfaces JO - Theoretical and applied mechanics PY - 2025 SP - 109 VL - 52 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.2298/TAM241210003M/ DO - 10.2298/TAM241210003M LA - en ID - 10_2298_TAM241210003M ER -