共 50 条
- [43] MAXIMA AND MINIMA OF FUNCTIONS OF 2 VARIABLES AMERICAN MATHEMATICAL MONTHLY, 1972, 79 (02): : 160 - &
- [44] OPERATIONAL CALCULUS FOR FUNCTIONS OF 2 VARIABLES NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1976, 23 (05): : A534 - A534
- [47] RESULTS ON ADDITIVE FUNCTIONS WITH 2 VARIABLES COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES SERIE A, 1972, 274 (05): : 373 - +