Journal of Mathematical Sciences
Journal of Mathematical Sciences > 2019 > 236 > 5 > 503-520
Journal of Mathematical Sciences > 2019 > 236 > 5 > 542-553
Journal of Mathematical Sciences > 2019 > 236 > 5 > 527-531
Journal of Mathematical Sciences > 2019 > 236 > 5 > 521-526
Journal of Mathematical Sciences > 2019 > 236 > 5 > 554-578
Journal of Mathematical Sciences > 2019 > 236 > 5 > 532-541
Journal of Mathematical Sciences > 2019 > 236 > 5 > 477-489
Journal of Mathematical Sciences > 2019 > 236 > 5 > 490-502