TY - JOUR AU - Risteski, Ice B. TI - Reduction of the modified Poincaré differential equation to Birkhoff matrix form JO - Archivum mathematicum PY - 2001 SP - 103 EP - 113 VL - 37 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_2001__37_2_a1/ LA - en ID - ARM_2001__37_2_a1 ER -