@article{SM_2022_213_6_a5,
     author = {D. M. Stolyarov},
     title = {Hardy-Littlewood-Sobolev inequality for $p=1$},
     journal = {Sbornik. Mathematics},
     pages = {844--889},
     publisher = {mathdoc},
     volume = {213},
     number = {6},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2022_213_6_a5/}
}