APA (7th ed.) Citation

Roitberg, Y., & Roitberg, I. (1999). Green's formula and theorems on complete collection of isomorphisms for general elliptic boundary value problems for Douglis-Nirenberg systems. Нелинейные граничные задачи.

Chicago Style (17th ed.) Citation

Roitberg, Ya, and I. Roitberg. "Green's Formula and Theorems on Complete Collection of Isomorphisms for General Elliptic Boundary Value Problems for Douglis-Nirenberg Systems." Нелинейные граничные задачи 1999.

MLA (8th ed.) Citation

Roitberg, Ya, and I. Roitberg. "Green's Formula and Theorems on Complete Collection of Isomorphisms for General Elliptic Boundary Value Problems for Douglis-Nirenberg Systems." Нелинейные граничные задачи, 1999.

Warning: These citations may not always be 100% accurate.