math_cms/app/Filament/Resources/SourcePaperResource/Pages/ViewSourcePaper.php

<?php

namespace App\Filament\Resources\SourcePaperResource\Pages;

use App\Filament\Resources\SourcePaperResource;
use Filament\Resources\Pages\ViewRecord;

class ViewSourcePaper extends ViewRecord
{
    protected static string $resource = SourcePaperResource::class;
}