M. Cook (2004):
Universality in Elementary Cellular Automata.
Complex Systems 15(1),
pp. 1–40.
Alvy Smith III (1971):
Simple computation-universal cellular spaces.
Journal of the Association for Computing Machinery (ACM) 18(3),
pp. 339–353,
doi:10.1145/321650.321652.
M. Margenstern (2007):
Cellular Automata in Hyperbolic Spaces, volume I : Theory,
first edition,
Advances in Unconventional Computing and Cellular Automata, Editor: Andrew Adamatzky 1.
Old City Publishing-Édition des archives contemporaines,
Philadelphia, PA, USA - Paris, France.
M. Margenstern (2008):
Cellular Automata in Hyperbolic Spaces, volume II : Implementation and Computations,
first edition,
Advances in Unconventional Computing and Cellular Automata, Editor: Andrew Adamatzky 2.
Old City Publishing-Édition des archives contemporaines,
Philadelphia, PA, USA - Paris, France.
M. Margenstern (2012):
Universality and the Halting Problem for Cellular Automata in Hyperbolic Spaces: The Side of the Halting Problem.
In: N. JONOSKA J. DURAND-LOSE: Unconventional Computation and Natural Computation 7445.
UCNC 2012.
Springer,
pp. 12–33,
doi:10.1007/978-3-642-32894-7_5.
M. Margenstern (2013):
Small Universal Cellular Automata, A Collection of Jewels,
first edition,
Emergence, Complexity and Computation.
Springer,
doi:10.1007/978-3-642-36663-5.
K. Lindgren M.G. Nordahl (1990):
Universal Computations in Simple One-Dimensional Cellular Automata.
Complex Systems 4,
pp. 299–318.
M. L. Minsky (1967):
Computation: Finite and Infinite Machines,
first edition,
Advances in Unconventional Computing and Cellular Automata, Editor: Andrew Adamatzky 2.
Prentice Hall,
Englewood Cliffs, N.J., USA.
Cocke J. Minsky M. (1964):
Universality of tag systems with P=2.
Journal of the ACM 11(1),
pp. 15–20,
doi:10.1145/321203.321206.
R.M. Robinson (1991):
Minsky's small universal Turing machine.
International Journal of Mathematics 2(5),
pp. 551–562,
doi:10.1142/S0129167X91000302.
Yu. V. Rogozhin (1982):
Sem' Universal'nykh mashin Tjuringa.
Matematicheskie Issledovanija 69(2),
pp. 76–90.
Seven universal Turing machines (in Russian).
Yu. V. Rogozhin (1996):
Small Universal Turing Machines.
Theoretical Computer Science 168(2),
pp. 215–240,
doi:10.1016/s0304-3975(96)00077-1.
S. Wolfram (2002):
A New Kind of Science.
Wolfram Media.
T. Neary & D. Woods (2012):
The Compexity of Small Universal Turing Machines: A Survey 7147.
SOFSEM 2012.
Springer,
pp. 385–405,
doi:10.1007/978-3-642-27660-6_32.