共 50 条
- [4] HOPF BIFURCATION AND THE STABILITY OF NON-LINEAR AGE-DEPENDENT POPULATION MODELS. [J]. Computers & mathematics with applications, 1988, 15 (6-8): : 555 - 564
- [5] NON-LINEAR AGE-DEPENDENT POPULATION-GROWTH [J]. JOURNAL OF MATHEMATICAL BIOLOGY, 1980, 9 (04) : 331 - 345
- [7] OPTIMUM AGE-SPECIFIC HARVESTING IN A NON-LINEAR POPULATION-MODEL [J]. BIOMETRICS, 1980, 36 (04) : 579 - 593
- [9] NON-LINEAR SEMIGROUPS AND AGE-DEPENDENT POPULATION-MODELS [J]. ANNALI DI MATEMATICA PURA ED APPLICATA, 1981, 129 : 43 - 55