TREATISES on this subject have been somewhat numerous of late. We recently noticed in these columns an excellent, but fairly elementary work, “On Ordinary and Partial Differential Equations,” by Prof.

SIAM Journal on Applied Mathematics, Vol. 42, No. 5 (Oct., 1982), pp. 1157-1173 (17 pages) A necessary and sufficient condition is established for the existence of a 1-1 transformation of a system of ...

For this system, the initial values for the concentrations are derived from equilibrium considerations (as a function of parameters) or are provided as known values. The experiment used to collect the ...

The Archive for History of Exact Sciences casts light upon the conceptual groundwork of the sciences by analyzing the historical course of mathematical and quantitative thought and the precise theory ...