@article{10_4064_cm_66_2_219_226,
     author = {Shyuichi Izumiya},
     title = {Systems of {Clairaut} type},
     journal = {Colloquium Mathematicum},
     pages = {219--226},
     publisher = {mathdoc},
     volume = {66},
     number = {2},
     year = {1993},
     doi = {10.4064/cm-66-2-219-226},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-66-2-219-226/}
}