@article{JOLT_2021_31_3_a10,
     author = {Vladimir G. Pestov and Vladimir V. Uspenskij},
     title = {On {Epimorphisms} in some {Categories} of {Infinite-Dimensional} {Lie} {Groups}},
     journal = {Journal of Lie Theory},
     pages = {871--884},
     year = {2021},
     volume = {31},
     number = {3},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2021_31_3_a10/}
}