Cohn, P. M. (1971). Linear equations. ELBS.
Dyfyniad Arddull ChicagoCohn, P M. Linear Equations. London: ELBS, 1971.
Dyfyniad MLACohn, P M. Linear Equations. ELBS, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
Cohn, P. M. (1971). Linear equations. ELBS.
Dyfyniad Arddull ChicagoCohn, P M. Linear Equations. London: ELBS, 1971.
Dyfyniad MLACohn, P M. Linear Equations. ELBS, 1971.