## Latex
- [Russian-Phd-LaTeX-Dissertation-Template](https://github.com/andreyakinshin/russian-phd-latex-dissertation-template)
- https://github.com/allatambov/Latex

## Test
### 1
```

$$
X_t =
$$

или
$X_t =$

```

$$
X_t =
$$

или
$X_t =$