On the exponential Diophantine equations of the form a x - b y c z = ± 1 . Acu, Dumitru — 2001 General Mathematics
On the sixtieth birthday of Associate Professor Emil C. Popa. Acu, Dumitru — 2005 General Mathematics
About some properties of intermediate point in certain mean-value formulas. Acu, Dumitru; Dicu, Petrică — 2002 General Mathematics
Professor Dr. Honoris Causa Dimitrie D. Stancu at his 75 anniversary. Acu, Dumitru; Lupaş, Alexandru — 2002 General Mathematics