The ๐ rectifiable subsets of the plane
Anthony P. Morse, John F. Randolph ยท Transactions of the American Mathematical Society ยท 1944
Contents 1. Introduction.236 2. Definitions.238 3. Measure.242 4. Connected sets.246 5. Density theory.250 6. Rectifiability and directionality.262 7. Restrictedness and rectifiability.271 8. Density ratios.287 9. Density ratios and rectifiability.293 10.Rectifiability and density ratios.299 11.Interrelations.302