TY - JOUR AU - V. Yu. Protasov TI - Closed geodesics on the surface of a simplex JO - Sbornik. Mathematics PY - 2007 SP - 243 EP - 260 VL - 198 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_2007_198_2_a4/ LA - en ID - SM_2007_198_2_a4 ER -