Petrowsky, I. (1996). Systems of partial differential equations and algebraic geometry. Australia: Gordon and Breach.
استشهاد بنمط شيكاغوPetrowsky, I.G. Systems of Partial Differential Equations and Algebraic Geometry. Australia: Gordon and Breach, 1996.
MLA استشهادPetrowsky, I.G. Systems of Partial Differential Equations and Algebraic Geometry. Australia: Gordon and Breach, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.