@article{10_4064_fm_106_1_13_17,
     author = {Isidore Fleischer},
     title = {Extending a partial equivalence to a congruence and relative embeddings in universal algebras},
     journal = {Fundamenta Mathematicae},
     pages = {13--17},
     publisher = {mathdoc},
     volume = {106},
     number = {1},
     year = {1980},
     doi = {10.4064/fm-106-1-13-17},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-106-1-13-17/}
}