论文信息 - Weak and strong extensions of differential operators - 字舞流文

Weak and strong extensions of differential operators

L. Hörmander | Lars Hörmander

[1] K. Friedrichs. On the differentiability of the solutions of linear elliptic differential equations , 1953 .

[2] Jaak Peetre. Théorèmes de régularité pour quelques classes d'opérateurs différentiels , 1959 .

[3] L. Hörmander. Differential operators of principal type , 1960 .

[4] Definitions of maximal differential operators , 1958 .

[5] K. Friedrichs. The identity of weak and strong extensions of differential operators , 1944 .