APA (7th ed.) Citation

Some classes of non-elliptic boundary value problems for pseudodifferential operators.

Chicago Style (17th ed.) Citation

Some Classes of Non-elliptic Boundary Value Problems for Pseudodifferential Operators. Berlin.

MLA (9th ed.) Citation

Some Classes of Non-elliptic Boundary Value Problems for Pseudodifferential Operators.

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