The ultrahyperbolic differential equation with four independent variables (Q115240294)
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scientific article published in 1938
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The ultrahyperbolic differential equation with four independent variables |
scientific article published in 1938 |
Statements
The ultrahyperbolic differential equation with four independent variables (English)
Fritz John
1 June 1938