To go straight for the minimal surface equation you need to see the paper by Leon Simon, "On a theorem of de Giorgi and Stampacchia".
If you want minimal surface system then see Harvey and Lawson: "Extending minimal varieties".
To go straight for the minimal surface equation you need to see the paper by Leon Simon, "On a theorem of de Giorgi and Stampacchia".
If you want minimal surface system then see Harvey and Lawson: "Extending minimal varieties".