@article{10_1017_S0017089511000073,
     author = {ADIVAR, MURAT},
     title = {PRINCIPAL {MATRIX} {SOLUTIONS} {AND} {VARIATION} {OF} {PARAMETERS} {FOR} {VOLTERRA} {INTEGRO-DYNAMIC} {EQUATIONS} {ON} {TIME} {SCALES}},
     journal = {Glasgow mathematical journal},
     pages = {463--480},
     year = {2011},
     volume = {53},
     number = {3},
     doi = {10.1017/S0017089511000073},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089511000073/}
}