TY - JOUR AU - Brauer, Fred TI - The Solution of Non-Homogeneous Systems of Differential Equations by Undetermined Coefficients JO - Canadian mathematical bulletin PY - 1966 SP - 481 EP - 487 VL - 9 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1966-059-7/ DO - 10.4153/CMB-1966-059-7 ID - 10_4153_CMB_1966_059_7 ER -