@article{AA_1993_5_2_a9,
     author = {S. Raghavan},
     title = {A~canonical anti-isomorphism of matrix {Hecke} rings},
     journal = {Algebra i analiz},
     pages = {211--217},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AA_1993_5_2_a9/}
}