THE EFFECT OF INTEGRAL CONDITIONS IN CERTAIN EQUATIONS MODELING EPIDEMICS AND POPULATION-GROWTH

[1] Bellman RKL, 1963, DIFFERENTIAL DIFFERE, DOI 10.1063/1.3050672

[2] PERIODIC-SOLUTIONS OF A PERIODIC NON-LINEAR DELAY DIFFERENTIAL-EQUATION [J]. SIAM JOURNAL ON APPLIED MATHEMATICS, 1978, 35 (04) : 704 - 721

[3] COOKE K L, 1973, Mathematical Biosciences, V16, P75, DOI 10.1016/0025-5564(73)90046-1

[4] Cooke K.L., 1979, ROCKY MT J MATH, V9, P31, DOI DOI 10.1216/RMJ-1979-9-1-31

[5] COOKE KL, 1967, FUNCTIONAL DIFFERENT, P167

[6] SELF-OSCILLATIONS FOR EPIDEMIC MODELS [J]. MATHEMATICAL BIOSCIENCES, 1978, 38 (1-2) : 91 - 111

[7] GROSSMAN Z, OSCILLATORY PHENOMEN

[8] HALE J, 1977, THEORY FUNCTIONAL DI

[9] BEHAVIOR NEAR CONSTANT SOLUTIONS OF FUNCTIONAL DIFFERENTIAL EQUATIONS [J]. JOURNAL OF DIFFERENTIAL EQUATIONS, 1974, 15 (02) : 278 - 294

[10] HOPPENSTEADT F, 1970, Mathematical Biosciences, V9, P71, DOI 10.1016/0025-5564(70)90094-5

[1] Bellman RKL, 1963, DIFFERENTIAL DIFFERE, DOI 10.1063/1.3050672

[2] PERIODIC-SOLUTIONS OF A PERIODIC NON-LINEAR DELAY DIFFERENTIAL-EQUATION [J]. SIAM JOURNAL ON APPLIED MATHEMATICS, 1978, 35 (04) : 704 - 721

[3] COOKE K L, 1973, Mathematical Biosciences, V16, P75, DOI 10.1016/0025-5564(73)90046-1

[4] Cooke K.L., 1979, ROCKY MT J MATH, V9, P31, DOI DOI 10.1216/RMJ-1979-9-1-31

[5] COOKE KL, 1967, FUNCTIONAL DIFFERENT, P167

[6] SELF-OSCILLATIONS FOR EPIDEMIC MODELS [J]. MATHEMATICAL BIOSCIENCES, 1978, 38 (1-2) : 91 - 111

[7] GROSSMAN Z, OSCILLATORY PHENOMEN

[8] HALE J, 1977, THEORY FUNCTIONAL DI

[9] BEHAVIOR NEAR CONSTANT SOLUTIONS OF FUNCTIONAL DIFFERENTIAL EQUATIONS [J]. JOURNAL OF DIFFERENTIAL EQUATIONS, 1974, 15 (02) : 278 - 294

[10] HOPPENSTEADT F, 1970, Mathematical Biosciences, V9, P71, DOI 10.1016/0025-5564(70)90094-5