[On the necessary conditions for the existence of positive periodic solutions to several second-order nonlinear systems].
Iuzefovich, G I
[On the necessary conditions for the existence of positive periodic solutions to several second-order nonlinear systems]. [electronic resource] - Biofizika 1966 - 345-51 p. digital
Publication Type: Journal Article
0006-3029
Biological Clocks
Mathematics
[On the necessary conditions for the existence of positive periodic solutions to several second-order nonlinear systems]. [electronic resource] - Biofizika 1966 - 345-51 p. digital
Publication Type: Journal Article
0006-3029
Biological Clocks
Mathematics