TY - GEN T1 - Contraction of the G_r,s Quantum Group to its Nonstandard analogue and corresponding Coloured Quantum Groups T2 - arXiv PY - 1999/11/24 AU - Parashar D AU - McDermott RJ ED - DO - DOI: 10.48550/arxiv.math/9911194 Y2 - 2026/10/28 ER -