A sufficient condition for linear regularity of stochastic processes Z. A. Ivković — 1967 Matematički Vesnik
On the estimation of the regression coefficient under the random observation Z. A. Ivković — 1968 Matematički Vesnik
An elementary property of conditional mathematical expectation. Application to the linear regularity of stochastic processes Z. A. Ivković — 1969 Matematički Vesnik
Gausovske mere u prostoru funkcija i inovacioni slučajni procesi Z. A. Ivković — 1978 Matematički Vesnik