Can one discriminate the thermal dilepton signal against the open charm and bottom decay background in ultrarelativistic heavy-ion collisions? K. Gallmeister, B. Kämpfer and O.P. PavlenkoEur. Phys. J. C, 8 3 (1999) 473-478DOI: https://doi.org/epjc/v8/p473(epjc1105)