TY - JOUR AU - Valdés Morales, Antonio PY - 1992 SN - 0041-9109 UR - https://hdl.handle.net/20.500.14352/58679 T2 - Analele Ştiinţifice ale Universităţii "Al. I. Cuza'' din Iaşi. Secţiunea I a Matemati M2 - 241 PB - "Al.I. Cuza" University of Iasi. Faculty of Mathematics KW - manifolds KW - projectively parallelizable KW - projective frames TI - Topological properties of projectively parallelizable manifolds TY - journal article VL - 38 ER -