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On some classes connected with the continuity of additive and Q-convex functions. (English) Zbl 0436.39003
Pr. Nauk. Uniw. Śląsk. Katowicach 218, Pr. Mat. 8, 60-63 (1978).
MSC:
39B99 Functional equations and inequalities
26A51 Convexity of real functions in one variable, generalizations
26A30 Singular functions, Cantor functions, functions with other special properties
39B72 Systems of functional equations and inequalities
26A15 Continuity and related questions (modulus of continuity, semicontinuity, discontinuities, etc.) for real functions in one variable