@article {1703.01762, archivePrefix = {arXiv}, eprint = {1703.01762}, primaryClass = {math.AG}, author = {Igor Burban and Alexander Zheglov}, title = {Cohen-Macaulay modules over surface quasi-invariants and Calogero-Moser systems}, year = {2017}, url = {http://arxiv.org/abs/1703.01762} }