VOLUME 3 1998 NUMBER 1

Paolo Bottoni, Anna Labella, Piero Mussio, Gheorghe Păun:
Pattern Control on Derivations in Context-Free Rewriting3–28
Anna E. Frid:
On the Frequency of Factors in a D0L Word29–41
Juha Kortelainen:
On the System of Word Equations x0u1ix1u2ix2...umixm= y0v1iy1v2iy2...vniyn (i=0,1,2,...) in a Free Monoid43–57
Viswanathan Radhakrishnan, Venkatesan T. Chakaravarthy, Kamala Krithivasan:
Pattern Matching in Matrix Grammars59–72