@misc{indiciae397dc9595160,
  title = {Second order conditions of optimality for constrained optimization problems in finite dimensional spaces.},
  author = {Messerli, E. J. and Polak, E.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680054648},
  note = {Source identifier: 19680054648}
}