TY - JOUR TI - Corrections: On a problem in partial difference equations JO - Canadian mathematical bulletin PY - 1971 SP - 273 EP - 273 VL - 14 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1971-053-0/ DO - 10.4153/CMB-1971-053-0 ID - 10_4153_CMB_1971_053_0 ER -