@article{VUU_2008_2_a39,
     author = {T. L. Sabatulina},
     title = {On the positiveness of the {Cauchy} function of some integro-differential equation},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {122--123},
     year = {2008},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2008_2_a39/}
}