@article{10_1090_jams_882,
     author = {Arinkin, D. and Gaitsgory, D.},
     title = {The category of singularities as a crystal and global {Springer} fibers},
     journal = {Journal of the American Mathematical Society},
     pages = {135--214},
     year = {2018},
     volume = {31},
     number = {1},
     doi = {10.1090/jams/882},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/jams/882/}
}