ON SOLUTIONS OF DELTA-U= F(U)

[1] Bieberbach, 1916, MATH ANN, V77, P173

[2] FRANK P, 1943, DIFFERENTIAL INTEGRA, V1

[3] HAVILAND EK, 1951, J LOND MATH SOC, V26, P210

[4] KELLER JB, 1956, J RATION MECH ANAL, V5, P715

[5] OSSERMAN R, 1956, DIFFERENTIAL INEQUAL

[6] RADEMACHER H, 1943, DIFFERENTIAL INTEGRA, V1, P838

[7] REDHEFFER R, 1956, B AM MATH SOC, V62, P408

[8] Walter W., 1955, JBER DTSCH MATH VERE, V57, P94

[9] Wittich H, 1944, MATH Z, V49, P579

[1] Bieberbach, 1916, MATH ANN, V77, P173

[2] FRANK P, 1943, DIFFERENTIAL INTEGRA, V1

[3] HAVILAND EK, 1951, J LOND MATH SOC, V26, P210

[4] KELLER JB, 1956, J RATION MECH ANAL, V5, P715

[5] OSSERMAN R, 1956, DIFFERENTIAL INEQUAL

[6] RADEMACHER H, 1943, DIFFERENTIAL INTEGRA, V1, P838

[7] REDHEFFER R, 1956, B AM MATH SOC, V62, P408

[8] Walter W., 1955, JBER DTSCH MATH VERE, V57, P94

[9] Wittich H, 1944, MATH Z, V49, P579