Sawczuk, A., & Olszak, W. (1964). Non-classical shell problems: Proceedings, symposium, Warsaw, September 2-5, 1963. Amsterdam : Warszawa: North-Holland Publishing Company PWN-Polish Scientific Publishers.
Παραπομπή Chicago StyleSawczuk, A., and W. Olszak. Non-classical Shell Problems: Proceedings, Symposium, Warsaw, September 2-5, 1963. Amsterdam : Warszawa: North-Holland Publishing Company PWN-Polish Scientific Publishers, 1964.
Παραπομπή MLASawczuk, A., and W. Olszak. Non-classical Shell Problems: Proceedings, Symposium, Warsaw, September 2-5, 1963. Amsterdam : Warszawa: North-Holland Publishing Company PWN-Polish Scientific Publishers, 1964.
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