@article{10_4064_cm_12_2_187_193,
     author = {L. Dubikajtis and P. Jarek},
     title = {Pseudogroupe elementaire commutatif et semi-groupe regulier commutatif},
     journal = {Colloquium Mathematicum},
     pages = {187--193},
     publisher = {mathdoc},
     volume = {12},
     number = {2},
     year = {1964},
     doi = {10.4064/cm-12-2-187-193},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-12-2-187-193/}
}