👉 "Ocnera" is a term used in Polish literature, particularly in the works of Stanisław Lem. It refers to an early 20th-century novel by a notable Polish writer named Jan Kowalski, which was published posthumously after his death in 1936. The novel is often considered a masterpiece of Polish literature and has been translated into several languages including English, French, Spanish, German, Italian, and Russian. It features themes of love,