Brodetsky, Oleksandr. 2013. “Modifications of Ethical and Soteriological Problems in Religious and Atheistic Existentialism (Kierkegaard – Camus, Sartre)”. IDEAS. PHILOSOPHICAL JOURNAL. SPECIAL SCIENTIFIC ISSUES, no. 5 (15) (December), 130-37. https://ideas.academyjournal.org/index.php/IDEI/article/view/44.