Literature Cited
L. I. Kopeikina, "Free decompositions of projective planes," Izv. Akad. Nauk SSSR, Ser. Mat.,9, No. 1, 495–523 (1945).
L. A. Skornyakov, "Projective planes," Usp. Mat. Nauk,6, No. 6, 112–154 (1951).
A. Givagnoli, "Sulla rappresentazione di un piano libero mediante una classe di simboli," Rend. Mat. Applic.,25, No. 3–4, 427–432 [1966 (1967)].
M. J. Hall, "Projective planes," Trans. Am. Math. Soc.,54, No. 2, 229–277 (1943).
D. R. Hughes and F. C. Piper, Projective Planes, Springer-Verlag, New York (1973).
N. L. Johnson, "Homomorphisms of free planes," Math. Z.,125, No. 3, 255–263 (1972).
K. H. Kim and F. W. Roush, "A universal algebra approach to free projective planes," Aequationes Math.,18, No. 3, 399–400 (1978).
K. H. Kim and F. W. Roush, "A universal algebra approach to free projective planes," Aequationes Math.,19, No. 1, 48–52 (1979).
R. Magari, "Su una classe di simboli atta a rappresentare gli elementi di un piano grafico e su un teorem di ridizione a forma normale," Atti Naz. Lincei Rend. Cl. Sci. Fis. Mat. Natur.,33, No. 1–2, 37–44 (1962).
G. Pickert, Projektive Ebenen, Springer-Verlag, Berlin-Göttingen-Heidelberg (1955).
G. Pickert, Projektive Ebenen, Zweite Aufl., Springer-Verlag, Berlin-Heidelberg-New York (1975).
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Translated from Algebra i Logika, Vol. 20, No. 3, pp. 330–356, May–June, 1981.
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Shirshov, A.I., Nikitin, A.A. Theory of projective planes. Algebra and Logic 20, 220–239 (1981). https://doi.org/10.1007/BF01669022
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DOI: https://doi.org/10.1007/BF01669022