PT  - JOURNAL ARTICLE
AU  - Ronald T. Slivka
TI  - Call option spreading
AID  - 10.3905/jpm.1981.408800
DP  - 1981 Apr 30
TA  - The Journal of Portfolio Management
PG  - 71--76
VI  - 7
IP  - 3
4099  - https://pm-research.com/content/7/3/71.short
4100  - https://pm-research.com/content/7/3/71.full