1. Laminar boundary layers of co-current gas-liquid stratified flows—I;Boyadjiev;Int. J. Multiphase Flow,1976
2. The hydrodynamics of certain two-phase flows. 1. The laminar boundary layer at a flat gas-liquid interface;Boyadjiev;Int. Chem. Engng,1971
3. The hydrodynamics of certain two-phase flows. 4. Evaluation of some special functions;Boyadjiev;Int. Chem. Engng,1971