Journal of Automata, Languages and Combinatorics formerly:
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@article{jalc150106, author = {Erzs\'ebet Csuhaj-Varj\'u and Gy\"orgy Vaszil}, title = {On the Descriptional Complexity of Context-Free Non-returning PC Grammar Systems}, journal = jalc, year = 2010, volume = 15, number = {1/2}, pages = {91--105} }