References
- Csillag , L. , Jánossy , I. , Kitaeva , V. F. , Kroó , N. , Sobolev , N. N. and Zolotko , A. S. Mol. Crysr. Liq. Cryst. , to be published in
- de Gennes , P. G. 1974 . The Physics of Liquid Crystals , Oxford : Clarendon Press .
- Janke-Emde-Lösch . 1960 . Tafeln höiherer funkrionen. , Stuttgart : B. G. Teubner Verlagsgesellschaft .
- Proust , J. E. and Ter-Minassian-Saraga , L. 1972 . Solid State Comm. , 11 : 1227
- Kogelnik , H. and Li , T. 1966 . Proc. IEEE , 54 : 1312
- Karat , P. P. and Madhusudana , N. V. 1976 . Mol. Cryst. Liq. Cryst. , 36 : 51
- Karat , P. P. and Madhusudana , N. V. 1977 . Mol. Cryst. Liq. Cryst. , 40 : 239 Note: Since the submission of our manuscript we became aware of some new theoretical and experimental investigations closely related to our recent work
- Zel'dovich , B. Ya. , Tabirian , N. V. and Chilingarian , B. S. 1981 . ZhETF , 81 : 72 – 83 .
- Durbin , S. D. , Arakelian , S. M. and Shen , Y. R. 1981 . Optic Letters , 6 : 411 – 413 .