@article{10_21136_CMJ_1973_101138,
     author = {Scheiblich, H. E.},
     title = {Concerning congruences on symmetric inverse semigroups},
     journal = {Czechoslovak Mathematical Journal},
     pages = {1--9},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {1973},
     doi = {10.21136/CMJ.1973.101138},
     mrnumber = {0315033},
     zbl = {0259.20053},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1973.101138/}
}