@article{article, title  = {{The extension group of the simple modules over the first Weyl algebra}},

 url = {{}},

 year = {{2000}},

 month = {{1}},

 author = {{Bavula VV}},

 doi = {{10.1112/S0024609399006608}},

 volume = {{32}},

 journal = {{Bulletin of the London Mathematical Society}},

 issue = {{2}},

 pages = {{182-190}},

 note = {{Accessed on 2024/12/22}}}