KODOLA, H. M. CONVERSION RESTRICTIONS IN THE PROBLEM OF THE DEMAND FOR PASSENGER TRANSPORTATION. Science and Transport Progress , [S. l.], n. 15, p. 57–60, 2007. DOI: 10.15802/stp2007/17684. Disponível em: https://stp.ust.edu.ua/article/view/17684. Acesso em: 21 nov. 2024.