Generalized Homogeneous P-Systems

[1]  Ion Petre,et al.  A Normal form for P-Systems , 1999, Bull. EATCS.

[2]  Rudolf Freund.  Generalized P-Systems , 1999, FCT.

[3]  Gheorghe Paun,et al.  Computing with Membranes: An Introduction , 1999, Bull. EATCS.