TY - JOUR T1 - Simple D[X, Y; σ, a]-modules JO - Ukrainian Mathematical Journal PY - 1992/01/01 AU - Bavula VV ED - DO - DOI: 10.1007/BF01061275 VL - 44 IS - 12 SP - 1500 EP - 1511 Y2 - 2024/12/22 ER -