%0 Journal Article %A Gati, Georg %T On schemata and $L$ systems for parallel algorithms %J RAIRO. Informatique théorique %D 1979 %P 155-184 %V 13 %N 2 %I EDP-Sciences %U http://www.numdam.org/item/ITA_1979__13_2_155_0/ %G en %F ITA_1979__13_2_155_0