%0 Journal Article %F Backus78 %A Backus, John %T Can programming be liberated from the von Neumann style? A functional style and its algebra of programs %J Communications of the ACM %V 21 %N 8 %P 613-641 %D 1978 %U http://www.cs.berkeley.edu/~jcondit/pl-prelim/backus78fp.pdf