1972 | ||
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4 | Solomon Garfunkel, Herbert S. Shank: On the Undecidability of Finite Planar Cubic Graphs. J. Symb. Log. 37(3): 595-597 (1972) | |
1971 | ||
3 | Solomon Garfunkel, Herbert S. Shank: On the Undecidability of Finite Planar Graphs. J. Symb. Log. 36(1): 121-126 (1971) | |
2 | Herbert S. Shank: Graph Property Recognition Machines. Mathematical Systems Theory 5(1): 45-49 (1971) | |
1 | Herbert S. Shank: Records of Turing Machines. Mathematical Systems Theory 5(1): 50-55 (1971) |
1 | Solomon Garfunkel | [3] [4] |