Geodesic
Symmetrizable spaces
Matematičeskie zametki, Tome 12 (1972) no. 5, pp. 577-582 
N. V. Velichko. Symmetrizable spaces. Matematičeskie zametki, Tome 12 (1972) no. 5, pp. 577-582. http://geodesic.mathdoc.fr/item/MZM_1972_12_5_a10/
@article{MZM_1972_12_5_a10,
     author = {N. V. Velichko},
     title = {Symmetrizable spaces},
     journal = {Matemati\v{c}eskie zametki},
     pages = {577--582},
     year = {1972},
     volume = {12},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1972_12_5_a10/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

Symmetrizable spaces are characterized and an example of a regular final compact symmetrizable space without a countable network is constructed (assuming the continuum hypothesis).