Source: https://www.researchgate.net/profile/Najim-Mansour/publication/343738290_Electromagnetisme_Comment_appliquer_le_theoreme_d'Ampere_pour_calculer_le_champ_d'induction_magnetique/links/5f3d1172a6fdcccc43d333c1/Electromagnetisme-Comment-appliquer-le-theoreme-dAmpere-pour-calculer-le-champ-dinduction-magnetique.pdf