{"type": "rich", "version": "1.0", "html": "<iframe src=\"https://quotewise.io/embed/quote/ufiwqh/\" width=\"600\" height=\"200\" frameborder=\"0\" allowfullscreen title=\"A nonsingular cubic surface F can be rationally represented upon a plane \u03b1 if and only if F conta...\"></iframe>", "width": 600, "height": 200, "title": "A nonsingular cubic surface F can be rationally represented upon a plane \u03b1 if and only if F conta...", "author_name": "Beniamino Segre", "author_url": "https://quotewise.io/o/Beniamino_Segre/", "provider_name": "Quotewise", "provider_url": "https://quotewise.io", "thumbnail_url": "https://quotewise.io/og/q/ufiwqh.png", "thumbnail_width": 1200, "thumbnail_height": 630, "cache_age": 86400}