@article{NSJOM_1991_21_2a_15,
     author = {Marchalo Jaroslav},
     title = {Stability theory for 

 {Volterra} equations},
     journal = {Novi Sad Journal of Mathematics},
     pages = {175-183},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {1991},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1991_21_2a_15/}
}