◂
sci
hub
to open science
Ask Researchers
↓save
Free GPT6
Scholar Search
Robert D. Larsson. (1961).
Characteristic Roots of a Mixed Difference-Differential Equation. The American Mathematical Monthly, 68(9), 903–904.
doi:10.2307/2311697
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research