TY - JOUR AU - A. Zięba TI - On the paradox of two $R_1, R_2$ domains in Schwarzschild exterior solution JO - Colloquium Mathematicum PY - 1972 SP - 367 EP - 369 VL - 26 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-26-1-367-369/ DO - 10.4064/cm-26-1-367-369 LA - de ID - 10_4064_cm_26_1_367_369 ER -