Transverse momentum spectra of D and B mesons in hadron collisions at high energies G. I. Lykasov, Z. M. Karpova, M. N. Sergeenko and V. A. Bednyakov EPL, 86 6 (2009) 61001 Published online: 09 July 2009 DOI: 10.1209/0295-5075/86/61001