ANTCZAK, T. (2011). SADDLE POINTS CRITERIA VIA A SECOND ORDER η-APPROXIMATION APPROACH FOR NONLINEAR MATHEMATICAL PROGRAMMING INVOLVING SECOND ORDER INVEX FUNCTIONS. Kybernetika, 47(2), 222-240.
ISO-690 (author-date, English)ANTCZAK, Tadeusz, 2011. SADDLE POINTS CRITERIA VIA A SECOND ORDER η-APPROXIMATION APPROACH FOR NONLINEAR MATHEMATICAL PROGRAMMING INVOLVING SECOND ORDER INVEX FUNCTIONS. Kybernetika. 1 Januar 2011. Vol. 47, no. 2, p. 222-240.
Modern Language Association 9th editionANTCZAK, T. „SADDLE POINTS CRITERIA VIA A SECOND ORDER η-APPROXIMATION APPROACH FOR NONLINEAR MATHEMATICAL PROGRAMMING INVOLVING SECOND ORDER INVEX FUNCTIONS“. Kybernetika, Bd. 47, Nr. 2, Januar 2011, S. 222-40.
Mohr Siebeck - Recht (Deutsch - Österreich)ANTCZAK, Tadeusz: SADDLE POINTS CRITERIA VIA A SECOND ORDER η-APPROXIMATION APPROACH FOR NONLINEAR MATHEMATICAL PROGRAMMING INVOLVING SECOND ORDER INVEX FUNCTIONS, Kybernetika 2011, 222-240.
Emerald - HarvardANTCZAK, T. (2011), „SADDLE POINTS CRITERIA VIA A SECOND ORDER η-APPROXIMATION APPROACH FOR NONLINEAR MATHEMATICAL PROGRAMMING INVOLVING SECOND ORDER INVEX FUNCTIONS“, Kybernetika, Vol. 47 No. 2, S. 222-240.