Operational mathematics
Churchill, R.V.
Operational mathematics by R.V. Churchill - 2nd edn. - New York McGraw-Hill Book Co. 1958 - 337 p.
Operational Mathematics
517.512 / C 563 O
Operational mathematics by R.V. Churchill - 2nd edn. - New York McGraw-Hill Book Co. 1958 - 337 p.
Operational Mathematics
517.512 / C 563 O