@article{BASM_2009_1_a6,
     author = {Liubomir Chiriac and Liubomir Chiriac Jr. and Natalia Bobeica},
     title = {On topological groupoids and multiple identities},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {67--78},
     publisher = {mathdoc},
     number = {1},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2009_1_a6/}
}