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References to 'Lindel\"of space'
1. a compact metric space is second countable by azdbacks4234
2. Ernst Lindel\"of by pahio
3. every $\sigma$-compact set is Lindel\"of by joen235
4. fully T4 by Mathprof
5. index of properties of topological spaces by rspuzio
6. Lindel\"of theorem by drini
7. long line by Dr_Absentius
8. second countable by rspuzio
9. Sorgenfrey half-open plane by rspuzio
10. topological properties of the Sorgenfrey half-open plane by drini