Dyfyniad APA

Hellwig, G. (1964). Differential operators of mathematical physics. Addison – Wesley.

Dyfyniad Arddull Chicago

Hellwig, Gunter. Differential Operators of Mathematical Physics. Addison – Wesley, 1964.

Dyfyniad MLA

Hellwig, Gunter. Differential Operators of Mathematical Physics. Addison – Wesley, 1964.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.