@article{CRMATH_2012__350_5-6_235_0,
     author = {Crespo, Teresa and Hajto, Zbigniew and Sowa, El\.zbieta},
     title = {Constrained extensions of real type},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {235--237},
     publisher = {Elsevier},
     volume = {350},
     number = {5-6},
     year = {2012},
     doi = {10.1016/j.crma.2012.03.006},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2012.03.006/}
}