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P. Grzeszczuk
On G-systems and G-graded rings
Proc. Amer. Math. Soc. 95 (1985), no. 3, 348-352.
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P. Grzeszczuk, E. R. Puczyłowski
Infinite Goldie dimension of modular lattices
J. Pure Appl. Algebra 35 (1985), 151-155.
DOI:
10.1016/0022-4049(85)90037-4
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K. Prażmowski
On the group of similarities in classical geometrical planes
Demonstratio Math. 18 (1985), no. 4, 933-943.
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K. Prażmowski
On the isosceles trapezium configuration in an abstract way
Bull. Polish Acad. Sci. Math. 33 (1985), no. 3-4, 159-164.