[1]
A Contribution to the Mathematical Theory of Epidemics.[J].W. O. Kermack;A. G. McKendrick.Proceedings of the Royal Society of London. Serie.1927, 772
[1]
A Contribution to the Mathematical Theory of Epidemics.[J].W. O. Kermack;A. G. McKendrick.Proceedings of the Royal Society of London. Serie.1927, 772