@book { IntroductionlaMcaniquedupointmatrielNotesdecoursetapplications, title = "Introduction à la Mécanique du point matériel. Notes de cours et applications", author = "Nabil {Safta}", year = "2019", publisher = "GRIN Verlag", address = "München, Germany", url = "https://www.hausarbeiten.de/document/459705" }