Maxima and minima.
Ricci, Michelangelo. 1619-1683. **E.5129.1 Michaelis Angeli Ricci Exercitatio geometrica de maximis & minimis. Londini, typis G. Godbid. M.D.LXVIII. (4),
14 pp. (In Mercator, Nicolaus. Logarithmo-~ technia. London, M.D.LXVIII.)