@article{belafhal_ez-zariy_hennani_nebdi_2015, 
  title={Theoretical Introduction and Generation Method of a Novel Nondiffracting Waves: Olver Beams}, 
  volume={05}, 
  DOI={10.4236/opj.2015.57023}, 
  number={07}, 
  publisher={Scientific Research Publishing, Inc,}, 
  author={Belafhal and Ez-Zariy and Hennani and Nebdi}, 
  year={2015}
  }