Even though the dissertation is in Danish, it quickly became internationally well known, mainly because it also contains a counter-example to the version of Poincaré duality published by Poincaré shortly before.
Kahit na ang disertasyon ay sa Danish, ito mabilis na naging mahusay na kilala internationally, pangunahin na ito sapagkat ito rin ay naglalaman ng isang counter-halimbawa na ang bersyon ng Poincaré duality-publish sa pamamagitan ng Poincaré ilang sandali bago.