@ARTICLE{CsuDasPau_j1993, author = {Erzs\'ebet~Csuhaj-Varj\'u and J{\"u}rgen~Dassow and Gheorghe~P\u{a}un}, title = {Dynamically controlled cooperating/distributed grammar systems}, journal = infsci, year = 1993, volume = 69, number = {}, pages = {1--25} }