Did Leibniz and Newton Discover or Create the Calculus?

Roman Murawski. Did Leibniz and Newton Discover or Create the Calculus?. Fundamenta Informaticae, 81(1-3):249-256, 2007. [doi]

@article{Murawski07,
  title = {Did Leibniz and Newton Discover or Create the Calculus?},
  author = {Roman Murawski},
  year = {2007},
  url = {http://iospress.metapress.com/content/32tl3g0l0588ut6q/},
  researchr = {https://researchr.org/publication/Murawski07},
  cites = {0},
  citedby = {0},
  journal = {Fundamenta Informaticae},
  volume = {81},
  number = {1-3},
  pages = {249-256},
}