Forward heavy-flavour production in pp collisions at LHC and intrinsic quark components in protonsG. I. Lykasov, V. A. Bednyakov, A. F. Pikelner and N. I. ZiminEPL, 99 2 (2012) 21002DOI: https://doi.org/10.1209/0295-5075/99/21002