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The stability of the functional equation f[o](x) + h(y) + Σ[n+1][i=1]f[i](ϕ[i](x) + ψ[i](y)) = 0

Jędrusiak, Piotr (1993)
Quasi-isometries

Hajto, Zbigniew; Tabor, Józef (1993)
Translations and translative partitions of quasigroups

Grząślewicz, Andrzej (1993)
Superstability is not natural

Ger, Roman (1993)
Distance-line spaces

Dubikajtis, Lech (1993)
On certain properties of invariant subsets in bioperands

Chronowski, Antoni (1993)
Dirichlet's problem for a generalized Jensen functional equation

Choczewski, Bogdan; Powązka, Zbigniew (1993)
Unicité pour une équation fonctionnelle

Baron, Karol; Volkmann, Peter (1993)
On the periodic solution for parabolic equation with Neumann boundary condition and for three dimensional time-spatial infinite strip

Barański, Feliks; Musiałek, Jan (1993)
The temperature vawes in the (n+1)-dimensional half time-space

Barański, Feliks; Luchter, Jan (1993)
Rocznik Naukowo-Dydaktyczny. Z. 159. Prace Matematyczne 13

Tabor, Józef (Wydawnictwo Naukowe Wyższej Szkoły Pedagogicznej, Kraków, 1993)
On extension of a solution of the translation equation

Żurek-Etgens, Maria (1987)
On mappings preserving the stability of the Cauchy functional equation

Tabor, Józef (1987)
On continuous solutions of the equation f(x+3f(x)f(y)+y) = f(x)+f(y)

Pilecka-Oborska, Barbara (1987)
On the rectangle proportion

Moszner, Zenon; Nawolska, Barbara (1987)
Sur la commutativité des transformations affines

Leszczyńska, Zofia; Moszner, Zenon (1987)
On the generalized convex functions with respect to the three-parameters family of functions

Krzyszkowski, Janusz (1987)
Groups as finite unions of proper subgroups

Dąbrowska, Anna (1987)
Asymptotical interval stability for a linear homogeneous functional equation

Czerni, Marek (1987)
Some properties of extensions of loops

Chronowski, Antoni (1987)