@article{UMJ_2021_7_2_a0,
     author = {Alexander G. Chentsov},
     title = {Products of ultrafilters and maximal linked systems on widely understood measurable spaces},
     journal = {Ural mathematical journal},
     pages = {3--32},
     publisher = {mathdoc},
     volume = {7},
     number = {2},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UMJ_2021_7_2_a0/}
}