@article{Vai:62c,
  journal = {Bull. Math. Soc. Sci. Math. Phys. R. P. Roumaine (N.S.)},
  volume = {6 (54)},
  title = {Id\'eaux isol\'es gauches nilpotents et radical isol\'e},
  author = {Vaida, Drago{\c{s}}},
  year = {1962},
  pages = {257--260},
}