@article{10_4064_cm_19_2_255_259,
     author = {M. Kulbacka},
     title = {Sur les ensembles stationnaires et d\'eterminants certaines classes de d\'eriv\'ees sym\'etriques},
     journal = {Colloquium Mathematicum},
     pages = {255--259},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {1968},
     doi = {10.4064/cm-19-2-255-259},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-19-2-255-259/}
}